What part of our body use to see dreams?
Explanation:
Our whole brain is active during deams from brain stem to cortex....
Which is NOT true about
natural selection?
A. It is observed in populations over generations.
B. It is done by humans to select certain traits useful to us.
C. It occurs with the traits that make a species successful.
D. It is similar to survival of the fittest.
Answer:
B. It is done by humans to select certain traits useful to us.
Explanation:
There are two main types of selection: natural and artificial. Natural selection is all of the other answers, it is seen over generations and allows the fittest to survive. It also occurs with no human intervention. However, artificial selection is done by humans. It occurs when humans breed animals to best fit their needs. This is best seen in dog breeding.
three adaptation of mouse?
Answer:
Mice sense their environment much in the same way as other mammal species. The house mouse has very good vision and hearing. They are equipped with large, cup shaped ears to help sense sound vibrations. They also have a good sense of smell and whiskers which they use to feel surface textures and air movements.A food web shows all the energy transfer interactions within a sample of organisms. A
food web diagram is provided.
Sun Algae Minnows - Bass
Insect
Larvae
기
Sunfish
Snapper
Turtles
Snails
The role of the snapper turtie is best defined by which of the following?
A
To break down waste products made by producers, such as algae
B
Top consumer that receives its energy from other consumers
С
Converts light energy from the sun and transfers it to consumers
D
Provides energy to the sunfish, snails, and bass
Answer:
The answer is most likely that the role of the snapper turtle is that it's the top consumer who receives its energy from other consumers
Explanation:
A scientist observes rock masses that have moved past each other in opposite horizontal directions. Which feature does the scientist observe?
plateau
syncline
strike-slip fault
fault-block mountai
Answer:
Strike slip fault
Explanation:
when it masses moved away against horizontal directions.
Scientists can find new discoveries that change their current understanding of scientific knowledge.
Answer:
Change is the only thing that is constant in this world. Obviously, more discoveries would be made in the nearest future that will give their thought about science a new direction.
Explanation:
Which of the following characteristics do most amphibians share?
A. Amphibians spend their entire lives on land,
B. Amphibians lay their eggs in water.
C. Amphibians are invertebrates.
D. Adult amphibians use gills to breathe.
Answer:
`B
Explanation:
Answer:
B. Amphibians lay their eggs in water
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Population Evolution Quiz
Biology Principles of Evolution
2. What is the result of a change in DNA?
selection
equilibrium
migration
mutation
Answer:
mutation
Explanation:
If any part of the DNA is changed, such as the base pairs, then it would result in the mutation of the DNA, causing it to carry out a different function
What mechanical layer lies above the core?
Answer here
Answer:
The mechanical layer that lies above the core is the mantle. It is a layer that is found after the core and is the second layer of the Earth. It is about 84% of the Earth's volume. It has a thickness of 2900 kilometers.
Waiting for your Prompt response.
You grow mesenchymal cells in Dish A and epidermal cells in Dish B. If you take the liquid medium only (containing no cells) from Dish A and place some of it into the liquid medium covering the epidermal cells in Dish B, you notice that it causes the epidermal cells to round up and thicken. What developmental concept does this example best describe
Answer: induction of epithelial cells by paracrine signaling from mesenchymal cells.
Explanation:
Mesenchymal stem cells can be found in bone marrow and are vital in making and the repairing or skeletal tissues.
Based on the information given in the question, the developmental concept that the example best describe is the induction of epithelial cells by paracrine signaling from mesenchymal cells.
In order for natural selection to occur, organisms must (select all that apply) Check All That Apply have variation that can be passed from one generation to the next. have variation that can be passed from one generation to the next. have differential reproductive success. have differential reproductive success. survive longer than another organism. survive longer than another organism. compete for resources. compete for resources. have adaptations to their environment. have adaptations to their environment.
Answer:
have variation that can be passed from one generation to the nextsurvive longer than another organismhave adaptations to their environment. have differential reproductive success.Explanation:
Naturla selection is the survival and reproduction of individuals due to different phenotypes. The naturla selection represents a mechanism of evolution and changes in traits of species.In order for natural selection to occur, organisms must :
have a variation that can be passed from one generation to the next.have differential reproductive success.Natural Selection is a mechanism of evolution that occurs when there is a heritable variation for a trait and individuals with one version of the trait have greater reproductive success than do individuals with a different version of the trait.
In order for natural selection to occur, three conditions must be met:
There must be variation for the particular trait within a population.The variation must be inheritableIndividuals with one version of the trait must produce more offspring than those with a different version of the trait.Thus,
In order for natural selection to occur, organisms must :
have a variation that can be passed from one generation to the next.have differential reproductive success.Learn more:
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6. The melting point of iodine is 114°C and the boiling point is 183°C. What state will Iodine be at each of these temperatures:
70°C –
210°C –
185°C –
127°C –
0°C –
Answer:
When an element is at a temperature that is higher than it's boiling point, it will be in gaseous form as it would have evaporated.
When the element at a temperature that is lower than it's melting point however, it would be in solid form as it would not have melted from it solid state yet.
70°C – Solid
Lower than melting point.
210°C – Gas
Higher than boiling point.
185°C – Gas
Higher than boiling point.
127°C – Liquid
Above it's melting point but below it's boiling point. It is a liquid at this point because it has melted but has not evaporated.
0°C – Solid
Lower than melting point.
what will happen when golgi apparatus is removed from the cell...........??????
Answer: all sorts of vesicle formation will stop
Explanation: If the Golgi apparatus is removed from the cell, all sorts of vesicle formation will stop. The Golgi apparatus is mainly responsible for transporting, modifying, and packaging of proteins and lipids into vesicles to be delivered to targeted destinations.
Which of the following describes an
estuary?
A. has different levels based on how much sunlight
reaches that depth and is the largest marine biome
B. located in the photic zone and warm tropical waters
with build up of many layers of dead cnidarians
C. found where land and water meet and is covered by
water at high-tide then dry at low-tide
D. where freshwater streams meet the ocean and is a
breeding and feeding spot for birds and fish
Answer:
D. where freshwater streams meet the ocean and is a breeding and feeding spot for birds and fish
Explanation:
Estuary is an area of freshwater where freshwater streams meet the ocean and also a breeding as well as feeding place for birds and fishes. This estuary is the place of habitat for large number of biotic factors includes plants and animals such as shrimp, fish, and oysters etc. The population of these animals are lower due to human activities that cause pollution in the estuary which leads to death of animals.
Answer:d
Explanation:
Can someone please help me!
Answer:
thats the 2 number point okay,plasma contains platelets ,ok
Help please ASAP
A species slowly loses numbers and goes
through natural selection until no individuals
are left. This describes what type of
extinction?
A evolved extinction
B. background extinction
C. mass extinction
D. endangered extinction
This question answer is :D endangered extinction
Which is the difference between an antibiotic and an antiviral?
Answer:
There are no options in this question, the options are as follows:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
B. Antibiotics treat the symptoms, and antivirals destroy the causing organism.
C. Antibiotics are in liquid form, and antivirals are in mist form.
D. Antibiotics treat patients who have Staphylococcus, and antivirals treat patients who have the flu.
The answer is D
Explanation:
Specific drugs are used to curb infection or diseases caused by specific pathogens. An infection can be caused by either bacteria, virus or fungi. Considering their different mechanism of infection, viral infections are treated with the use of ANTIVIRAL DRUGS while bacterial infections are treated with the use of ANTIBIOTICS.
According to this question, staphylococcus is a bacterial genus and hence, patients with staphylococcus can be treated with antibiotics while flu is a viral disease, hence can only be treated with antivirals.
Answer:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
Explanation:
edg
What genetic abnormality causes Down Syndrome? How does this usually happen?
During a six-month period, 239 cases of pneumonia occurred in a town of 300 people. A clinical case was defined as fever 39°C lasting > days with three or more symptoms (i.e., chills, sweats, severe headache, cough, aching muscles/joints, fatigue, or feeling ill). A laboratory-confirmed case was defined as a positive result for antibodies against Coxiella burnetii. Before the outbreak, 2000 sheep were kept northwest of the town. Of the 20 sheep tested from the flock, 15 were positive for C. burnetii antibodies. Wind blew from the northwest, and rainfall was 0.5 cm compared with 7 to 10 cm during each of the previous three years.
Situation 14.1 is an example of
A) human reservoirs.
B) a zoonosis.
C) a nonliving reservoir.
D) a vector
E) a focal infection.
The etiologic agent of the disease in Situation 14.1 is
A) sheep
B) soil.
C) Coxiella burnetii.
D) pneumonia.
E) wind.
The method of transmission of the disease in Situation 14.1 was
A) direct contact
B) droplet
C) indirect contact.
D) vector-borne.
E) vehicle.
A symptom of the disease was
A) fever
B) sweats
C) cough
D) aching muscles
E) None of the above
The portal of entry for the pathogen was
A) gastrointestinal
B) skin
C) respiratory
D) urinary
E) None of the above
Answer:
In the given case, the given symptoms suggest that this Situation is an example of zoonosis which is an infectious disease and can be caused by bacteria, viruses, parasites that spread between animals and humans.
3) Coxiella burnetti is the etiological agent or infection-causing agent here that is responsible for causing the disease.
4) Vehicle transmission takes place in case of infectious substances by various means, such as soil, water, or air, carries an infectious agent to a new host that is northwest winds here with less rainfall than normal.
5) High fever is a common symptom seen in this disease.
6) the respiratory tract or as the entry of the pathogen through the nose and it reaches the lungs.
Based on the data, which of the following is the most likely diagnosis?
Answer:
can you add a picture so I can help you can't solve it without no picture shown
What goes on during interphase?
Explanation:
During interphase, the cell grows (G1), replicates its DNA (S) and prepares for mitosis (G2). ... Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions.
Which of the following BEST completes the analogy?
Answer:
there is nothing under the question.
Explanation:
Answer:
What are the options . comment
Distinguish between epigeal and hypogeal germination.
Three points please. It gets me confused ♀️
Answer:
The main difference between epigeal and hypogeal germination is that in epigeal germination, the cotyledons emerge out of the soil during germination whereas, in hypogeal germination, the cotyledons remain inside the soil.
What is nitrogen fixation?List all the ways in which nitrogen fixation takes place in nature.
Answer:
Hey mate.....
Explanation:
This is ur answer.....
Some forms of bacteria can convert atmospheric nitrogen into usable forms such as nitrates and nitrites. Such nitrogen fixing bacteria are commonly found in the roots of leguminous plants. These usable forms of nitrogen are absorbed by plants to produce many compounds such as amino acids, which in turn form proteins.
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Explain how homologous and the fossil records support evolution.
Thanks so much!!!
Answer:
Los fósiles, una prueba de la evolucion. El estudio de los fósiles nos da una idea muy directa de los cambios que sufrieron las especies al transformarse unas en otras; existen muchas series de fósiles de plantas y animales que nos permiten reconstruir cómo se fueron adaptando a las cambiantes
Explanation:
Answer:
homologous: have identical position, value, or structure
Fossils: In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms.
Explanation:
The evolution theory is supported by multiple sorts of evidence: homologous structures show common ancestry, whereas similar selective pressure will manufacture similar variations. analogous structures (beneficial features).
In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms. This supports Darwin's organic process theory, whereby straightforward life forms {progressively|increasingly|more and additional} evolved into more advanced. Proof of adolescence forms comes from fossils.
why is rna a polymer and a macromolecule
Answer:
RNA is a polymer because it is made up of many monomers called nucleotides. Moreover, RNAs can form macromolecules because many RNAs are large molecules (i.e., polynucleotide chains).
Explanation:
Ribonucleic acid (RNA) can be defined as a single-stranded nucleic acid polymer of the four nucleotides. In RNA, each nucleotide is composed of a 1-ribose sugar, a 2-phosphate group and 3-one of four types of nitrogenous bases: Adenine (A), Cytosine (C), Guanine (G), and Uracil (U), which are covalently bonded to form polynucleotide chains. There are different types of RNAs such as mRNA, tRNA, rRNA, miRNA, circ-RNAs, lncRNAs, etc. Many of these RNAs form large single-stranded (ss) molecules, i.e., polynucleotide chains. For example, an mRNA sequence may have a length of 5,000 nucleotides (5 kb) or even more, and there are RNA viruses that have more than 20000 nucleotides (20 kb) in length.
Which of the following is a way of storing carbon in organic material?
A. Consumption
B. Respiration
C. Burning fossil fuels
D. All of these
The ways of sorting carbon in organic material is consumption, respiration, and fuel burning. The correct option is D.
What is organic material?Organic matter, also known as organic material or natural organic matter, is a massive source of carbon-based compounds detected in natural and engineered, terrestrial and aquatic environments.
There can be several ways to store carbon including consumption, respiration, and burning fossil fuel, etc.
Carbohydrates, lipids, proteins, and nucleic acids are the four primary types of organic compound present in all living things.
Organic compounds are crucial because carbon is found in all living organisms. They are the essential parts of many of the Earth's cycles.
The carbon cycle, for example, encompasses the exchange of carbon between plants and animals during photosynthesis and cellular respiration.
Thus, the correct option is D.
For more details regarding organic matter, visit:
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9.
Which is an environmental factor that affects skin color in humans?
O number of genes inherited
O amount of sunlight absorbed
O number of linked genes
O amount of food consumed
Which is an environmental factor that affects skin color in humans?
O number of genes inherited
O amount of sunlight absorbed
O number of linked genes
O amount of food consumed
ANSWER:-AMOUNT OF SUNLIGHT ABSORBED.
Number of gene for color of the skin is same in all the human beings and also it's a genetic factors is there will be any absence of gene due to its deletion AMOUNT OF SUNLIGHT it is variable in variable reasons which is a imp factor for the color in variation in earth. In regions near to the equator have high amount of the light so they have darker skin color then the people near the poles as there is less amount of light .Number of gene inherited is also same for each and every individual for single species for human which is 378 gene loci and if there is any variation in number due to any genetics disorder it would be a genetic factor again.amount of food consumed is different for different people with same color in same region as it only depends on the work which is done by the individual in the society for its existence. though it is a environmental factor bit it didn't effect color of the species.SO ACCORDING TO ABOVE DETAILS WE CAN CONCLUDE (2) AMOUNT OF THE SUNLIGHT IS THE ENVIRONMENTAL FACTOR WHICH IS RESPONSIBLE FOR THE COLOR OF THE SKIN IN HUMANS
which of the following statement about carbon dixoide is not true?
a.) increased carbon dioxide in the atmosphere increases the green house effect
b.) carbon dioxide is a greenhouse gas
c.) atmospheric carbon dioxide levels have slowly declined over the last 50 years
d.) burning fossil fuels can increase carbon dioxide levels in the atmosphere
Answer:
c is not true
Explanation:
c is correct answer because carbon dioxide have been increased not decreased
If your body lacks enzymes that break down carbohydrates, it would be unable to get __A__ for energy production. If you lacked the enzyme to digest proteins, you may not absorb enough __B__.
Answer:
Glucose and amino acid.
Explanation:
If your body lacks enzymes that break down carbohydrates, it would be unable to get glucose for energy production while on the other hand, if you lacked the enzyme to digest proteins, you may not absorb enough amino acid that our body needs for the formation of muscles. Enzymes play a great role in the breakdown of macro food particles into simpler molecules so that it can be absorbed by the cells.
Answer:
A: Sugar Molecules
B: Amino Acids
Hope this helps!
Explanation:
Which of the following is an example of an adaptation?
A. Ducks swim near the shore by a picnic area, where food is always available.
B. A dog walks without pulling on its leash.
C. Wolves work together to catch prey.
D. Birds living near a highway learn not to fly away every time a car passes.
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Answer:
wolves work together to catch prey
