Modern humans have traits a high vertical forehead, a round and tall skull, and small browridges
The lighter skeletons of modern humans can be used to identify them anatomically from ancient humans. Modern humans have extraordinarily large brains, which vary in size from population to population and between males and females. The average size of these brains is approximately 1300 cubic centimetres.
Many of the physical and behavioural traits that modern humans have evolved share some similarities with other early human species, though not to the same extent. Modern humans were able to connect with their environment and one another in novel and unusual ways thanks to their complex minds. Our predecessors were better able to survive as the environment got more unpredictable thanks to larger brains.
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Krebs, digestive and respiratory system 40 points!!!!!
One molecule of glucose and two molecules of ATP are the reactants of glycolysis, the first stage of cellular respiration (adenosine triphosphate). The energy needed for the reaction to happen is provided by the ATP molecules.
What particular byproducts result from the process of glycolysis?Pyruvate is the end product of glycolysis under aerobic conditions, and lactate under anaerobic conditions. In order to create more energy, pyruvate enters the Krebs cycle.
What is the name of the glycolysis process?Glycolysis is the initial phase of cellular respiration, which occurs in all living things. During aerobic respiration, glycolysis is followed by the Krebs cycle. As fermentation comes after glycolysis, a small quantity of ATP is created by the cells in the absence of oxygen.
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Biologists are analyzing soil to check for the number of worms and grubs in a wildlife preserve. Let the random variable w represent the number of worms found in 1 square foot of soil, and let the random variable g represent the number of grubs found in 1 square foot of soil. The following tables show the probability distributions developed by the biologists for w and g.
Note that using the discrete distributions, it is found that the mean and standard deviation are given by: μ=5.28 and σ=1.67 (Option C)
What is Discrete Distribution?A discrete distribution has data that can only take on particular values, such as integers. A continuous distribution is one in which data can have any value within a certain range (which may be infinite).
Not that:
The total of all outcomes multiplied by their relative probability yields the mean of a discrete distribution.The variance is calculated by multiplying the total of the differences squared between each event and the mean by their corresponding probabilities.The mean is the total of the means when two variables are joined, whereas the standard deviation is the square root of the sum of the variances.The computation is given as follows:
For Worms:
E[tex]_{w}[/tex] (X) = 0.05(0) + 0.06(1) + 0.18(2) + 0.35 (3) + 0.3(4) 0.05 (5) + 0.01 (6)
= 2.98
Var[tex]_{w}[/tex] (X) = 0.05 (0-2.98)² + 0.06 (1-2.98)² + 0.18(2-2.98)² + 0.35 (3-2.98)² + 0.3(4-2.98)² + 0.05 (5-2.98)² + 0.01 (6-2.98)²
= 1.4596
For Grubs:
E[tex]_{g}[/tex] (X) = 0.05(0) + 0.21(1) + 0.27(2) + 0.38(3) + 0.05(4) + 0.03(5) + 0.01 (6)
= 2.3
Var[tex]_{g}[/tex] (X) = 0.05 (0-2.3)² + 0.21(1-2.3)² + 0.27(2-2.3)² + 0.38(3 - 2.3)² + 0.05(4-2.3)² + 0.03(5-2.3)² + 0.01 (6-2.3)²
= 1.33
The sum, therefore, is given as:
E (X) = E[tex]_{w}[/tex] (X) + E[tex]_{g}[/tex] (X)
= 2.98 + 2.3
μ = 5.28
σ = √ (Var[tex]_{w}[/tex] + (Var[tex]_{g}[/tex] (X)
= √ (1.4596 + 1.33)
= √2.7896
= 1.67020956769
σ [tex]\approx[/tex] 1.67
Hence, it is correct to state that in the discrete distributions - mean and standard deviation are given by: μ=5.28 and σ=1.67 (Option C).
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Full Question:
Biologists are analyzing soil to check for the number of worms and grubs in a wildlife preserve. Let the random variable W represent the number of worms found in 1 square foot of soil, and let the random variable G represent the number of grubs found in 1 square foot of soil. The following tables show the probability distributions developed by the biologists for W and G.
W 0 1 2 3 4 5 6
Probability 0.05 0.06 0.18 0.35 0.30 0.05 0.01
G 0 1 2 3 4 5 6
Probability 0.05 0.21 0.27 0.38 0.05 0.03 0.01
Assume that the distributions of worms and grubs are independent. What are the mean, μ, and standard deviation, σ, for the total number of worms and grubs in 1 square foot of soil?
A) μ=5 and σ=1.67
B) μ=5 and σ=2.36
C) μ=5.28 and σ=1.67
D) μ=5.28 and σ=2.36
E) μ=5.28 and σ=2.79
Periodic Table Coloring Activity-15 pts
5) If two atoms are in the same group they will have_ properties. If two atoms are in the
same period, they will have
properties.
6) As you go from right to left, metallic properties_
nonmetallic properties,
and
properties.
As you go left to right,
7) Metalloids contain both
8) The periodic table is arranged by increasing
9) In 1869, Dmitri Mendeleev arranged the periodic table by increasing
10) To become stable, atoms want to have a full
decreases
What is it referred to as when two atoms are identical?
Carbon monoxide (CO), which consists of a single carbon atom and a single oxygen atom, is an illustration of a diatomic molecule. It is known as a homonuclear diatomic molecule if the two atoms are from the same element, such as oxygen (O2) and nitrogen (N2).
As we move up the periodic table, fewer shells are present, making it more challenging for an atom to lose electrons.
Because of this, the metallic character gets weaker as you move up a group. As a result, choice three is right.
In a periodic table, the tendency to gain electrons decreases as we move from left to right. The metallic character fades over a period of time as it moves from left to right.
It is the periodic chart that
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Besides relative humidity, identify another weather variable of the air in the classroom
that may be determined by using both temperature readings on the hygrometer.
The hygrometer calculates the relative humidity in the air as a percentage.
How are relative humidity levels determined?
In meteorological science, hygrometers are devices that measure the humidity, or the amount of water vapour in the air. To measure humidity, hygrometers of many major types are employed.
What are the two thermometers and how are they different from one another?
An infrared thermometer's digital sensor or a mercury-in-glass thermometer's bulb are two examples of temperature sensors that vary in response to temperature, and a visible scale is an example of a means to translate this change into a numerical number.
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A food worker has just rinsed a dish after cleaning it.
What should he do next?
a. Scrub the dish
b. Air-dry the dish
c. Sanitize the dish
d. Put soap on the dish
Answer:
C. Sanitize the dish
Explanation:
Sanitizing the dish helps to kill any remaining bacteria or other pathogens that may be present on the dish, which can help to prevent food-borne illness.
which size of particulates are the most harmful to human health? group of answer choices greater than 4.0 microns 2.0 microns to 4.0 microns 0.1 micron to 2.0 microns 0 microns to 0.1 microns
Option C, The most problematic particles range from 0.1 to 2.0 microns. These tiny particles often enter the lungs through the nose and throat and harm human health.
Particles between 0.1 and 2.0 microns in size can go deep into your lungs and even enter your bloodstream in rare cases. The biggest threat to human health comes from tiny particles, also known as PM2.5, which have a diameter of less than 2.5 micrometers. The most hazardous particle matter human health because of how easily they may be inhaled due to their small size. particles enter your lungs after being breathed and are immediately absorbed into your circulation.
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Select the correct answer from each drop-down menu. the planets that reside in the region of the solar system are jupiter, , uranus, and neptune. although these planets are made up of lighter elements, they have a solid core. the atmosphere of all these planets is made up of hydrogen and . in addition to these two elements, the planets neptune and contain methane.
The correct answer from the drop-down menu is (a) the planets that reside in the region of the solar system are Jupiter, Uranus, and Neptune.
Jupiter, Saturn, Uranus, and Neptune are the planets that are found in the solar system's outermost zone. They have a strong core despite the lighter components that make up these planets. Hydrogen and helium make up the planets' atmospheres in all cases. The planets Neptune and Uranus also have methane in them in addition to these two elements.
Uranus and Neptune share a lot in common. It has a solid center the size of Earth covered in a dense fog of water, ammonia, and methane. Hydrogen and helium, together with a small amount of methane, make up the majority of these elements' atmospheres.
The methane in Uranus' upper atmosphere absorbs the Sun's red light while reflecting its blue light back into space.
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The planets that reside in the outer region of the solar system are Jupiter, Saturn, Uranus, and Neptune. Although these planets are made up of lighter elements, they have a solid core. The atmosphere of all these planets is made up of hydrogen and helium. In addition to these two elements, the planets Neptune and Jupiter contain methane.
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What creates the boundaries for the distribution of a trait within a population?
The variation and distribution of traits in a population depend on genetic and environmental factors.
Different traits can be introduced into an organism by genetic variations that alter gene activity or protein function. If a trait is beneficial and aids an individual's survival and reproduction, the genetic variation is more likely to be passed down to the next generation.
Mutations create new alleles over time, resulting in genetic diversity. Mixing alleles from parents results in new allele combinations in their children. Bacteria and other organisms that can clone themselves can pass on alleles to each other.
Each genotype in a population has a different fitness for that specific environment. In other words, certain genotypes will be preferred, and people with those genotypes will continue to reproduce. Other genotypes will be discouraged: people with those genotypes are less likely to reproduce.
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neurotransmitters are released from presynaptic axon terminals into the synaptic cleft by which mechanism?
The neurotransmitters are contained in synaptic vesicles, which are later exocytotically released into the synaptic cleft.
Neurotransmitters mediate neuronal connections with their target tissues throughout the synaptic transmission process (neurotransmission).Nerve terminals create neurotransmitters, which are then released into the synaptic cleft.Neurotransmitters then bind to receptor proteins in the target tissue's cellular membrane. The target tissue that was stimulated, inhibited, or functionally altered in some other way. Acetylcholine, norepinephrine, dopamine, gamma-aminobutyric acid (GABA), glutamate, serotonin, and histamine are a few of the most important neurotransmitters among the more than 40 found in the human nervous system.Your body cannot operate without chemical messengers called neurotransmitters. They are responsible for transporting chemical "messages" from one neuron (nerve cell) to the subsequent target cell. The following target cell may be a gland, muscle, or another nerve cell.Refer here to know more about synaptic:
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in the euglycemic individual, what percentage of glucose is reabsorbed by the proximal convoluted tubules?
The proximal convoluted tubule of the kidney reabsorbs almost all of the filtered glucose in a typical euglycemic person.
The sodium glucose secondary active transport occurs in the proximal convoluted tubules, where sodium and glucose are actively reabsorbed.Euglycemic DKA thus presents a difficulty to doctors since patients who arrive with normal blood glucose levels while in ketoacidosis may be disregarded, delaying the use of effective management techniques. In this post, we go through every potential cause of euglycemic DKA as well as the pathophysiology that goes along with it. We also go through how these people should be diagnosed and treated. Despite euglycemia, diabetic patients' ketoacidosis is still a medical emergency that needs to be handled quickly and effectively.To know more about glucose check the below link:
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Order the steps that occur as a protein is synthesized within a cell and finally excreted for use outside of the cell.
Answer:
1. The protein is synthesized within the cell using the information in the cell's DNA.
2. The protein is folded into its final shape.
3. The protein is transported to the cell membrane.
4. The protein is excreted from the cell, typically with the help of special protein-transporting molecules.
5. The protein is now outside of the cell and can be used for its intended purpose.
Explanation:
species that undergo sexual selection often have males and females that differ dramatically in phenotype, a phenomenon called sexual dimorphism. since sexual dimorphism is a result of selection for the two extremes of a phenotypic trait, what pattern of selection is this?
Option A disruptive is the correct answer. This pattern of selection is disruptive because it favours the two extremes of a phenotypic characteristic, which results in sexual dimorphism.
Sexual dimorphism is the systematic shape difference between individuals of different sexes within the same species. For instance, the male in some species, such as many animals, is bigger than the female. The female of some species, like some spiders, is larger than the male. This sexual dimorphism has been noted in early development studies, childhood, adolescence, and maturity. On average, males' total brain size is around 8%–15% greater than females' (uncorrected for body size).
As a result, we can conclude that Option A disruptive is the best choice. Sexual dimorphism results from selection toward the two extremes of a phenotypic characteristic, hence this pattern of selection is disruptive.
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Complete Question:
Species that undergo sexual selection often have males and females that differ dramatically in phenotype, a phenomenon called sexual dimorphism. Since sexual dimorphism is a result of selection for the two extremes of a phenotypic trait, what pattern of selection is this?
Choose one:
A.disruptive
B.stabilizing
C.directional
The wings of species X and Y are built on same basic pattern but are modified for flying. Based on the statement, discuss the type of evolution they represent.
Biologists can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adeptness.
The wings of species X and Y are built on same basic pattern but are modified for flying?Environmental change is any change in an ecosystem or environment that warrens adaptability from the inhabiting organisms in order to survive. The ability to adapt to these changes is known as environmental adeptness. This is a form of evolution in which an organism will generate or loose characteristics in response to changes in its way of life.Biologist can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adeptness because the presence of unnecessary wings would have caused the expenditure of energy with no benefit to the fly, therefore, the offspring of a fly who lives in an environment which has no need for the ability to fly will gradually loose their wings in order to retain more energy and function more efficiently. This is evolution through environmental adaptedness.Many species share much the same DNA: All living things have DNA molecules that encode all genetic information. Among living things there are similarities and sharing of parts of DNA. This is strong evidence of species evolution. An example of this is the similarity between humans and chimpanzees.Plant and animal cells have almost all of the same structures: Although there are some differences, plant and animal cells share almost all cell structures. This is a strong indication of how life has evolved on our planet.To learn more about species and wings refer to:
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The amount of plasma that filters into the nephrons is approximately ________ of the total volume.
The amount of plasma that filters into the nephrons is approximately 1/5 of the total volume.
Nephrons main tasks include filtering the blood of all waste products, including solid wastes and excess water, as well as reabsorbing, secreting, and excreting a wide range of compounds.The tiny molecules are transported into the glomerular capsules and proceed through a twisting network of tubules when the blood is forced through the glomerulus under high pressure.The cell found in each tube absorbs various molecules, with the exception of glucose, water, and other advantageous compounds known as the ultrafiltrate. More water is removed from the ultrafiltrate before it leaves the nephrons as the ultrafiltrate molecules become increasingly hypertonic as they go down the tubules.
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Consider the following scenario and answer the questions that follow:
Scenario: an aquatic snail is placed in a test tube filled with water and
placed in a sunny environment.
2. Does cellular respiration occur?
In a scenario whereby an aquatic snail is placed in a test tube filled with water and placed in a sunny environment, cellular respiration occurs.
What is Cellular respiration?This is referred to as the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions. This process comprises of two types known as aerobic which occurs in the presence of oxygen while anaerobic occurs in the absence of oxygen.
In this example, we were told that an aquatic snail is placed in a test tube filled with water and placed in a sunny environment which therefore means that cellular respiration is most likely to occur regardless of the amount of oxygen present in the tube and is therefore the reason why Yes was chosen as the correct choice.
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a chemical called endogenous pyrogens may be released from lymphocytes that are responding to a pathogen. what does this compound cause? multiple choice fever activation of nk cells antibody production inflammation
This compound causes fever. Option A.
The main function of the thymus is to train specialized white blood cells called T lymphocytes or T cells. White blood cells migrate from the bone marrow to the thymus. Lymphocytes mature and become specialized T cells in the thymus and are bound by specific antibodies that the immune system produces against them.
Lymphatic occlusion is the blockage of lymphatic vessels that drain fluid from tissues throughout the body and allow immune cells to reach where they are needed. Blockage of lymphatic vessels can cause lymphedema, which is swelling due to blockage of the lymphatic system. Antigens are foreign substances that can provoke an immune response in the body.
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the dna with the gene of interest for a cloning experiment was left on the lab bench overnight (instead of storing it in the freezer). as a result, it was degraded. they didn't know the dna was left out and used it in the experiment. the plasmid, however, was stored correctly. the vector contains a gene for ampicillin resistance. after the transformation procedure, the bacteria were plated on media containing ampicillin. what results are expected from this faulty molecular cloning experiment?
In a molecular cloning procedure, the DNA to be copied is extracted from a target organism and split into smaller DNA fragments in a test tube using enzymes.
These pieces are subsequently joined with vector DNA to produce recombinant DNA molecules. After that, a host organism is given the recombinant DNA (typically an easy-to-grow,strain of E. coli bacteria). Recombinant DNA molecules will be duplicated alongside the host DNA in the resulting population of organisms. These are transgenic or genetically modified organisms because they have foreign DNA pieces. Thus, the term "clone" is frequently used to describe both the bacterial population and the recombinant DNA molecule. In actuality, molecular cloning refers to the scientific techniques utilised to put them together.The idea arose that different DNA sequences could be inserted into a plasmid and that these foreign sequences would be carried into bacteria and digested as part of the plasmid. That is, these plasmids could serve as cloning vectors to carry genes.
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the n u r s e knows that which organ is primarily responsible for maintaining fluid volume and osmolality? a. liver b. kidneys c. blood vessels d. heart
The kidneys are responsible for maintaining and regulating volume and osmolality.
By adjusting the quantity of sodium and water ejected, the kidneys, in coordination with neurological and endocrine input, control the volume and osmolality of the extracellular fluid. By continuously filtering the blood, the kidneys control the body's fluid and electrolyte balance. This is essential to keep the volume and make-up of osmolality extracellular fluid consistent. This is generally done through modifying salt and water reabsorption, the methods of which vary depending on the segment of the nephron. kidneys adjusting the quantity of sodium and water ejected, the extracellular fluid's volume and osmolality are controlled.
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4. What is TRUE about the use of bones to solve crimes?
Children are best identified by
observing ribs and joints.
Adults are best identified using teeth and long bones.
When human bones are found, a crime definitely took place.
The long bones are measured in length and circumference.
The truth about the use of bones to solve crimes is that long bones are measured in length and circumference. That is option D.
What is a bone?A bone is defined as a rigid and hard structure which consists of compact tissues and makes up the musculoskeletal system of the body.
There are different types of bones which include the following:
Long bone: has a long, thin shape. Short bone: has a squat, cubed shape. Flat bone: has a flattened, broad surface. Irregular bone: has a shape that does not conform to the above three types.The long bones of human being can be measured in length and circumference which is an advantage against that of animals and can serve as solution in a crime scene.
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a) two essential components of successful therapy are complete subgingival scaling with root debridement by the dental hygienist and effective daily dental biofilm control by the patient. b) the objective is to eliminate or at least suppress the pathologic microorganisms in the subgingival area to promote healing and hence control the infection. group of answer choices statement a is true and statement b is false. statement a is false and statement b is true. both statements are true. both statements are false.
Both claims are True - Deep, difficult-to-access pockets, overhangs, inadequate crown margins, and calculus that retains plaque are all major causes of recurrent illness.
Most of the time, a complete periodontal debridement performed under local anesthesia is sufficient to halt disease progression and improve the clinical signs and symptoms of an active illness.
However, further pharmacotherapeutic treatments should be taken into consideration if clinical symptoms of disease activity, such as increased pocket depths, loss of attachment, and bleeding on probing, continue after comprehensive mechanical therapy.
A dysbiotic inflammatory condition with negative effects on overall health is periodontitis. Insights into the formation and stability of dysbiotic oral microbial populations, which can mediate inflammatory disease at both local and remote locales, have been revealed by recent investigations. The mechanisms of microbial immune subversion that tip the scales from homeostasis to illness in oral or extraoral locales are discussed in this review.
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outline an optimal treatment plan for julie and explain your reasoning. discuss the tradeoff s encountered during the composition of your plan (consider alternative drug targets and a bone marrow transplant).
The primary medication used to treat CML is a drug named imatinib. It is typically administered quickly after a cancer diagnosis in order to decrease the disease's course and keep it from progressing to an advanced stage.
Reduced formation of aberrant white blood cells is how imatinib functions.
BMT, commonly referred to as a bone marrow transplant as well as hematopoietic stem cell transplant could treat AML for patients of any age. It swaps out harmful stem cells with good blood-forming ones. Many people's diseases can be cured through transplants.
A bone marrow, meaning stem cell, transplant is such kind of therapy for CML where the patient receives transplanted bone marrow from a donor. The first and only recognized treatment that can completely cure CML would be an allogeneic transplant.
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what type of cavity treatment involves making an incision from the xiphoid process to the pubic symphysis instead of using a trocar?
Direct incision treatment involves making an incision from the xiphoid process to the pubic symphysis instead of using a trocar.
This occurs when esophageal acid from the stomach backs up. Since the oesophagus is situated beneath the breastbone and can get inflamed as a result of acid reflux, xiphoid process pain may also arise. Heart disease is one of the other causes of xiphoid process pain.
The sternum's xiphoid process is painfully swollen and uncomfortable when someone has xiphoid syndrome. The xiphoid process becomes inflamed, resulting in xiphodynia, as a result of mechanical trauma to that anatomical area. Since there is little information available on this uncommon condition, the prevalence of xiphoid syndrome is unknown.
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What would be the best design for an experiment that tests how much water expands when frozen?
A. Purchase a small plastic container and mark increments of volume on the outside. Put in 5 ounces of water and place in the freezing compartment of your refrigerator for 8 hours. Compare the end (frozen) volume with the beginning (liquid) volume.
B. Purchase a small plastic container of bottled of water, any brand, commercially
sealed. Mark water line with a marker. Place it in the freezing compartment of your refrigerator for 8 hours. Observe the results.
C. Take a small bowl and fill it half full of water. Mark the level. Place it in a freezing compartment of your refrigerator for 8 hours. Observe the results.
Answer: C
Explanation:
in dna, the two long strands that form a spiral are called what
the precambrian: group of answer choices is the age of algae, and occurred just before the mesozoic. is the age of trilobites, and occurred just before the mesozoic. is the age of trilobites, and occurred just before the paleozoic. is the age of algae, and occurred just before the paleozoic.
The algae provided the food and energy source that allowed the organisms to grow.
Common Precambrian fossils include stromatolites and similar structures, which are trace mats of algae like microorganisms, and microfossils of other microorganisms. The mesozoic ended with a great extinction at the end of the cretaceous period. All the dinosaurs except the birds disappeared in this extinction. Another mass extinction occurred near the end of the triassic period. The cenozoic era was a time when communities took on a more modern appearance. Bacteria were the first organisms to live on earth.They made their appearance three billion years ago in the waters of the first oceans. At first, there were only anaerobic heterotrophic bacteria.The fossil record of multicellular animals from the precambrian includes three main groups that have persisted to the present day.
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scientists believe that perching birds originated on the continents of australia and antarctica. how would these scientists explain the discovery of ancient perching bird fossils in africa?
The concept that dinosaurs were the direct ancestors of birds was backed by new research on ancient specimens as well as by field finds of dinosaur and early bird species.
Numerous traits and behaviours that distinguish modern birds were also present in dinosaur forebears. Theropods were a class of meat-eating dinosaurs from which birds descended. Although birds originated from little theropods rather than gigantic ones like Tyrannosaurus rex, they nonetheless belong to the same group as the dinosaur. The earliest fossilised bird remains date back 150 million years. Since they have a foot structure that enables them to grip branches, many bird species, including the majority of songbirds, are also known as "perching birds." The shape of one toe at the back of the foot works as a pincher, stabilising the perched bird.
The complete question is:
Scientists believe that perching birds originated on the continents of Australia and Antarctica. How would these scientists explain the discovery of ancient perching bird fossils in Africa? A) At one time, the climate in Earth was consistent throughout the planet. B) The fossils may have been moved by man, animals, or Earth’s constructive and destructive processes. C) The birds originated in Africa, but migrated with human populations to Australia and Antarctica to Africa. D) During the life of Pangea, Antarctica, Australia and Africa were neighboring
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1. as you travel up through the atmosphere it gets colder and colder the rate at which it gets colder is called the _______ rate and it is about ____ c per km of altitude
2. the less atmosphere over our heads, the _________ the lower the atmospheric pressure
3 the atmosphere weighs_______ kg per cubic centimeter
the atmosphere keeps the earth warm when light from the sun is reflected back from the earth as heat and trapped in the atmosphere it is called the _________
3. __________ smog occurs when sunlight reacts with chemicals from car exhaust
4. when coal is burned to make electricity it produces sulfur when the sulfur combines with rain to make sulfuric acids it is called _________
As you travel up through the atmosphere it gets colder and colder the rate at which it gets colder is called the "lapse rate" and it is about 6.5°C per km of altitude.
2. The less atmosphere over our heads, the "thinner" the lower the atmospheric pressure.
3. The atmosphere weighs about 1.2 kg per cubic centimeter. The atmosphere keeps the earth warm when light from the sun is reflected back from the earth as heat and trapped in the atmosphere it is called the "greenhouse effect."
3. "Photochemical smog" occurs when sunlight reacts with chemicals from car exhaust.
4. When coal is burned to make electricity it produces sulfur. When the sulfur combines with rain to make sulfuric acids it is called "acid rain."
What is lapse rate?The lapse rate is the rate at which the temperature of the atmosphere decreases with an increase in altitude. It is usually expressed in degrees Celsius per kilometer of altitude.
The lapse rate is important because it determines how the temperature of the atmosphere changes with altitude, which in turn affects the formation of clouds and precipitation. The average lapse rate in the Earth's lower atmosphere is about 6.5°C per kilometer of altitude, but it can vary depending on local weather conditions and other factors.
Therefore, In general, the lapse rate decreases with an increase in humidity and the presence of clouds, and it increases with a decrease in humidity and the absence of clouds.
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here is a portion of a hypothetical dna sequence: 3' t t c g a a c c g a g 5' suppose this sequence is part of the template strand of a gene. the sequence of the rna transcript produced from this part of the gene would be:
Answer:
sequence of the RNA transcript produced from this part of the gene would be:
5' A A G C U U G G C U C 3'
Explanation:
The RNA transcript is produced by transcribing the DNA sequence into RNA using the enzyme RNA polymerase. During transcription, RNA polymerase reads the DNA sequence and uses it as a template to synthesize the complementary RNA sequence. Because RNA is single-stranded and DNA is double-stranded, the RNA transcript is complementary to the non-template strand of the DNA, not the template strand.
In the given DNA sequence, the non-template strand would be:
3' A A C G T T G G C T G 5'
The RNA transcript is produced by transcribing this non-template strand, so the resulting RNA sequence would be the complementary sequence:
5' A A G C U U G G C U C 3'
This RNA transcript would be the sequence of the RNA produced from the given DNA sequence.
Earth Science
Many massive stars end their life cycles as black holes. Why do astronomers not believe the sun will end its life cycle as a black hole?
1. It is not massive enough.
2. It is much too hot.
3. It is much too hot.
4. It is not a binary star.
Which accurately describes coral reefs? Select the three correct answers.(2 points)
1. Coral reefs often are located in nutrient-poor waters.
2. Coral reef ecosystems have low biodiversity.
3. Coral reef ecosystems are among the most biodiverse on Earth.
4. Coral reefs are sturdy structures that can exist for thousands of years.
5. Coral reefs are delicate structures that usually exist for less than 10 years.
6. Coral reefs often are located in nutrient-rich waters.
Answer: 1,4,5
Explanation:
Stars have a certain life period after that they will lost their heat and light and will end as a black hole. Some astronomers believe that, sun does not changes to a black hole because, sun is not so huge in comparison with other massive stars.
What is supernova?Supernova is a state of stars at which they loss heat and light energy and turns into a black hole or white dwarf. Thus, in fact a dead star is called a supernova.
Every stars including sun has a life period upto which they can be bright and hot. But some astronomers believe that sun cannot having a super nova state because sun is not that much hot and massive like other stars.
Coral reefs are ecosystems have low biodiversity. They are sturdy structures that can exist for thousands of years. Coral reefs often are located in nutrient-rich waters.
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at which level(s) is eukaryotic gene expression regulated? a. post-translation b. translation and post-translation c. transcription d. transcription and translation e. transcription and post-transcription f. transcription, post-transcription, and translation g. translation h. transcription, post-transcription, translation, and post-translation i. post-transcription
Transcription, post-transcription, translation, and post-translation . DNA is keep within the nucleus of organism cells, wherever it'stranslated into mRNA.
The freshly created mRNA is then taken from the nucleus and placed within the protoplasm, wherever ribosomes convert it into supermolecule. The nuclear membrane physically separates the processes of transcription and translation; transcription solely takes place within the nucleus, and translation solely takes place outside the nucleus, within the protoplasm. At any purpose within the method, organic phenomenon isregulated.
Regulation might manifest itself at the epigenetic level, the transcriptional level, the post transcriptional level , the translational level or once the super molecule has been made(post-translational level).
Regulation might manifest itself at the epigenetic level (when DNA is uncurled and discharged from nucleosomes to bind transcription factors), the transcriptional level (when polymer is produced), the post-transcriptional level (when polymer is processed and exported to the cytoplasm), the interpretation level (when polymer is translated into protein), or the post-protein level (when the supermolecule has been produced) (post-translational level).
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