Answer:
Explanation:
El arte rupestre es todo aquel dibujo o expresión artística prehistóricas que se hallan impresas en rocas y cavernas, ya que el hombre de este tiempo plasmaba allí su arte y desarrollaba gran parte de su vida en estas cuevas para refugiarse de depredadores y de las inclemencias climáticas.
Construct an explanation to predict the type of symbiotic relationship that exists between the hippo and oxpecker birds?
please help ill give brainliest :)) At the equator, the earth spins a distance of 26,120 miles every day. At what speed does the Earth spin in mph?
Answer:
1088 mph
Explanation:
26120/24 = 1088.333 ≈ 1088
Answer:
1088.333mph
Explanation:
26,120miles ÷ 24hours = 1088.333mph
Which major environmental factors can affect health?
genetics and obesity
poor water quality and obesity
poor air and water quality
genetics and poor air quality
!!!!???
HELPPPPPPPP
Answer:
Poor air and water quality.
Explanation:
Genetics are not environmental factors, and neither is obesity. However, poor air and water quality can lead directly to severe health impact.
What types of materials could be broken dowr in a compost pile? A all recyclable materials B biodegradable materials C all materials that can be incinerated D glass, metal, and other raw materials
Answer:
All biodegradeable materials.
Answer this question please
Answer:
Any animal that is not a equine, tapir, or rhino.
Explanation:
There are 3 extant families of odd toed ungulates:
Equidae (horses, donkeys, zebras etc)Rhinocerotidae (rhinoceroses) Tapiridae (tapirs).If the animal isn't in one of those families, it isn't an odd toed ungulate.
Explain how an HAB outbreak can have a devastating economic
impact
. In a replicating DNA molecule, the region in which parental strands are separating and new strands are being synthesized is called a(n)
Answer:
replication fork
Explanation:
The deoxyribonucleic acid (DNA) is a double-stranded helix composed of two long chains of nucleotides. The replication fork is a Y-shaped structure by which both DNA strands are separated in order to be replicated during cell division. In a cell, DNA replication starts at specific sites in the genome referred to as 'origins of replication'. A replication fork is generated by helicase enzymes that unwind and separate the DNA double helix strands by interrupting hydrogen bonds that hold the two DNA strands together. These DNA strands act as templates for the leading and lagging DNA strands. During DNA replication, the leading strand is synthesized continuously in the same direction as the replication fork, while the lagging DNA strand is synthesized in a direction away from the replication fork, in small pieces of DNA called Okazaki fragments.
Write each label into the appropriate category to designate whether the given item describes elements of gray or white matter of spinal cord.
Contains myelinated axons
Posterior column
Located to the periphery of the spinal cord
Gracile fasciculus
Anterior spinocerebellar tract
Medial vestibulospinal tract
Marked by low myelination White matter
Functions to integrate arriving electrical signals
Contains somas, synapses, and dendrites
Tectospinal tract
Functions to transmit electrical signals rapidly over long distances
Lateral horn
Ventral horn
Gray matter White matter
Answer:
- Contains myelinated axons: White matter
- Posterior column: White matter
- Located to the periphery of the spinal cord: White matter
- Gracile fasciculus: White matter
- Anterior spinocerebellar tract: White matter
- Medial vestibulospinal tract: White matter
- Marked by low myelination: Gray matter
- Functions to integrate arriving electrical signals: Gray matter
- Contains somas, synapses, and dendrites: Gray matter
- Tectospinal tract: White matter
- Functions to transmit electrical signals rapidly over long distances: White matter
- Lateral horn: Gray matter
- Ventral horn: Gray matter
Explanation:
Both the brain and the spinal cord contain white matter and gray matter. White matter is the tissue responsible for information transmission (i.e., axons); whereas gray matter is mostly involved in information processing (i.e., neuron bodies). White matter is composed of myelinated axons which extend out from the neuron bodies and glial cells, and this tissue connects different areas of the cerebral cortex (i.e., the outer layer of the brain). Moreover, gray matter is composed of neuronal cell bodies or 'soma' that contain the neuron’s nucleus and unmyelinated axons. Gray matter also has glial cells and capillary blood vessels; whereas white matter also has oligodendrocytes that produce myelin and astrocytes. The color of the white matter is caused by the myelin that surrounds the axons; while the color of the gray matter is due to the capillary blood vessels and neuronal cell bodies. In the cerebrum and cerebellum, white matter is observed in deep areas coated by gray matter; whereas, in the spinal cord, the white matter surrounds the central gray matter. White matter is involved in normal motor and sensory function, this tissue is responsible for learning and coordinating communication between different brain regions. Moreover, grey matter is involved in muscle control and sensory function (e.g., hearing, vision, memory, emotions, speech, decision making, etc).
Provide an argument in favor of the importance for farmers or animal production specialists to understand animal
physiology
Answer:
Its important to understand animal physiology if farmers and animal production specialists wish to meet projected demand for animal products.
Explanation:
They must streamline production and advance capacity to prevent, detect, diagnose, and treat animal diseases. The health and quality of livestock is influenced by genetics, care, nutrition, and environment. The quality of animal products is also affected by production methods and marketing practices.
Information found in link below:
https://nifa.usda.gov/topic/animal-production
Explain the role of PERISTALSIS during your food’s time in the esophagus as it travels to the stomach.
Peristalsis helps in storing food, breaking down food down and mixing it with juices secreted by stomach lining. Peristalsis in stomach helps in partial digestion of food called chyme.
Which statement best describes how molecules interact with systems in the
human body
A. Carbon atoms combine with water to form the glucose molecules
that cells use to get the energy they need.
B. Oxygen molecules in the blood enter the cells of all body systems,
and the cells use them to get energy
C. Carbon dioxide molecules leave the body in exhaled air, and
oxygen molecules enter the body in inhaled air.
D. Oxygen molecules help carry other molecules in the blood as it
flows through the body.
Answer:
b
Explanation:
Choose the statement about renewable and nonrenewable energy sources that is NOT true.
a. Renewable energy creates little or no waste and has few negative environmental impacts.
b. There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.
c. Most nonrenewable energy sources can be renewed, but it takes thousands to millions of years for them to form.
d. New technologies promise future increases in the use of renewable energy sources.
Answer:
b. There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.
Explanation:
Fossil fuels have had tremendous negative impacts on the environment and humans as well. For that reason, the use of renewable sources of energy, such as hydropower and biomass, have become increasingly popular over the last few decades.
Within our lives, or possibly within many, many lifetimes, the sources of non-renewable energy will run out or cease to exist. The three main fossil fuels that are used as non-renewable energy sources are coal, oil, and natural gas. Carbon is the main element in fossil fuels. Thus, option B is correct.
What best define about nonrenewable energy sources?Fossil fuels have had a terrible impact on both the environment and people. Because of this, the usage of renewable energy sources, such as biomass and hydropower, has risen in popularity over the past few decades.
A natural resource is classified as non-renewable (also known as finite) if it cannot be easily replenished by natural processes at a rate fast enough to keep up with use. Carbon-based fossil fuels are one illustration. The original biological substance can change into a fuel like gas or oil thanks to heat and pressure.
Therefore, There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.
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For Labrador retrievers, black fur is dominant to yellow. a) Explain how two black dogs can have different genotypes. b) Could a black dog have the same genotype as a yellow dog
Answer:
Please find the answers explained below
Explanation:
A) This question involves a Gene coding for fur color in Labrador retrievers (a dog). The allele for black fur (B) is dominant over the alllele for yellow fur (b). Based on the law of dominance by Gregor Mendel, the dominant allele will always mask the phenotypic expression of the recessive allele in a heterozygous state. The two fur colors have different alleles, however, when they come together to form a heterozygote, the black fur is still expressed. Naturally, a black furred Labrador retriever should have the genotype; BB but since the black fur is a dominant trait, another heterozygous genotype will arise as Bb.
B) No, the black dog cannot have the same genotype as yellow dog. This is because the black dog must always have at least one dominant allele (B) in order to be black while the yellow dog, due to the recessiveness of the yellow allele can only have the genotype; bb. Hence, a black dog can either be Bb or BB but a yellow dog can only be bb.
Eubacteria and archaebacteria differ in the process of protein synthesis. What is the difference?
A.) phenylalanine is added as the first amino acid during protein synthesis
B.) Methionine is added as the first amino acid during protein synthesis
C.) Formyl-methionine is added as the first amino acid during protein synthesis
D.) Glutamic acid is added as the first amino acid during protein synthesis
Answer:
A
Explanation:
The main difference between Archaebacteria and Eubacteria is? Hint: Archaebacteria are called ancient bacteria whereas eubacteria are called true bacteria. Unlike eubacteria, archaebacteria can survive in extreme conditions
Can someone make me report for bees and flowers I know what to do but don't know how to make it into 300 words
Choose a symbiotic relationship from the list below. research the relationship and write a 300 word report that includes the benefits of the relationship for either member, the harm done by the relationship and how this relationship has evolved. if the relationship was suddenly to stop what would happen to each member of the relationship? 1)bees and flowers
2)coral and algae (dinoflagellates)
3)remoras and sharks
4)microorganisms and human
5)intestines ticks and deer
Answer:
Bees and flowering plants have a mutualistic relationship where both species benefit.
Explanation:
Bees play a keystone role in the agricultural production and the beauty of our world through the pollination of fruits, vegetables, nuts, and flowers. The disruption of natural habitats leading to lack of "bee flowers,"
Once they reach adulthood, most living things take care of themselves and sometimes their offspring. However, certain plants and animals have developed helpful relationships with living things outside their own species. Scientists call such relationships "mutualistic relationships" because both organisms benefit from the arrangement. One of the most famous mutualistic relationships in nature is the relationship between bees and flowering plants. This relationship allows bees to feed their colonies and plants to reproduce
Bees and flowering plants have a mutualistic relationship where both species benefit. Flowers provide bees with nectar and pollen, which worker bees collect to feed their entire colonies. Bees provide flowers with the means to reproduce, by spreading pollen from flower to flower in a process called pollination. Without pollination, plants cannot create seeds.
How Bees Benefit From Flowers
Flowers benefit bees by providing them with all the food their colonies need, to survive. With the exception of a few species, bees are social insects that live in colonies of between 10,000 and 60,000 individuals. How many bees live in a single colony depends on factors such as the bees' species, the weather in their environment and how much food is available.
Bees feed on the nectar and pollen of flowers. Nectar is a sweet liquid substance that flowers produce specifically to attract bees, birds and other animals. Pollen is a powder that contains the male genetic material of flowering plants. Worker bees (bees whose job is to collect food for the colony) land on flowers and drink their nectar. This nectar is stored in a pouch-like internal structure called the crop. In the process of doing this, bees become covered in pollen. The pollen sticks to the bee's hairy legs and body. Some bee species even have sack-like structures on their legs for collecting pollen, called pollen baskets.
After collecting nectar and pollen from many different flowers, bees fly back to their colonies. They regurgitate nectar, mixed with enzymes, and expose the mixture to the air for several days, creating honey. This honey is used to feed the colony. Pollen is mixed with nectar to form a protein-rich substance called beebread. Beebread is primarily used to feed young developing bees, called larvae.
How Flowers Benefit From Bees
Bees benefit flowering plants by helping the plants reproduce, via pollination. Because plants cannot seek out mates the way animals do, they must rely on outside agents, called vectors, to move their genetic material from one plant to another. Such vectors include bees, certain birds and wind.
Flowering plants carry the male portion of their genetic material in their pollen. When bees fly from one flower to another, pollen is spread from plant to plant. If pollen from one flower is able to reach another flower of the same species, then that plant will be able to form seeds and reproduce.
Without bees, pollination and reproduction would be practically impossible for some plant species. This makes bees a vital part of every ecosystem they inhabit. Humans also greatly benefit from the pollination bees provide. Bees' work allows humans to enjoy fruits, vegetables and other plant products that would not be available otherwise.
Helping Bees
Bee flowers
You can help bees in four ways: plant bee flowers everywhere, provide nesting habitat, keep bee-flowers clean, and support our effrects to keeping
which statement regarding these methods of reproduction is correct?
Answer:
put the picture of the question
Explanation:
i cant help you if you dont
How do hormonal contraceptives (usually) work? Check all that apply.
freating a barrier
so that the sperm
cell do not enter
the uterus
inhibiting the
sperms' ability to
"swim"
thicken the
cervical mucus
reducing the inner
lining of the
uterue; egg cell
cannot attach
preventing the
maturing of the
follicle cells in the
ovaries
Select all
that apply
SUBMIT -
Musio
12
W2021
BAHO LORUS
Answer:yes and no there is no context just yes
Explanation:
Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its
descendants?
A) causation
B) correlation
C) natural selection
D) transitional fossils
The intermediate states between an ancestral form and that of its
descendants are transitional fossils.
What is a transitional fossil?
Transitional fossils are remains of an organism that came in between a known version of a species and the current species.
Transitional fossils would be proof of evolution because they would show medium forms of a species and they altered and accumulated adaptations at a slow pace.
Thus, option "D" transitional fossils are correct.
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difference between trychocysts and nematocysts
Answer:
trichocyst is a threadlike organ in certain protozoans that can be discharged suddenly in order to grasp or sting while nematocyst is (biology) a capsule, in certain cnidarians, containing a barbed, threadlike tube that delivers a paralyzing sting.
Explanation:
n apneustic breathing, which is practiced by most marine mammals: A. A small amount of air is kept in the lungs before diving B. A large amount of air is kept in the mouth before diving C. Normal breathing is maintained before diving D. Several deep breaths are taken before exhaling and diving E. No actual breathing takes place before diving
Complete Question: In apneustic breathing, which is practiced by most marine mammals:
A. A small amount of air is kept in the lungs before diving
B. A large amount of air is kept in the mouth before diving
C. Normal breathing is maintained before diving
D. Several deep breaths are taken before exhaling and diving
E. No actual breathing takes place before diving
Answer: D. Several deep breaths are taken before exhaling and diving.
Explanation:
Common dolphins, whales and other marine mammals are known to undergo apneustic breathing. This breathing process is characterized by periodic or several breathe inhalation, followed by holding their breath and then exhaling them.
Marine mammals can afterwards, went on to dive. This process prevent high water loss out. Thus, they make fewer respirations while maximizing the amount of oxygen produced for optimal consumption.
Result of mechanical weathering or chemical weathering
Answer:
yea the above one is correct
which occurs during transition ?
What two genes a person actually has in their DNA; i.e. DD, Dd, or dd
A.genotype
B.phenotype
C.dominant
D.recessive
What happens to a population when immigration increases?
A. The population size usually increases.
B. The emigration rate usually increases.
O C. The emigration rate usually decreases.
O D. The population size usually decreases.
Answer:d
Explanation:
When immigration increases, the population size usually increases, as shown in Option A, as immigration is the movement of individuals into a population from another population.
What is immigration?Immigration is the movement of individuals from one population to another. It involves the addition of new individuals to the population, which can increase its size. When more individuals enter a population, they bring with them new genes and genetic diversity, which can enhance the adaptive potential of the population. This can help the population better withstand environmental challenges and increase their chances of survival, but increased immigration can also have negative consequences. For example, it can lead to competition for resources among individuals, which can lead to a decrease in the quality and availability of resources for the population as a whole.
Hence, when immigration increases, the population size usually increases, as shown in Option A.
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A 10 N force and a 15 N force are acting on a box in opposite directions what edition force must be added to produce equilibrium
Answer:
5N of force acting the same way as the 10N of force to make it 15N of force
Explanation:
Changes in the genetic code of a human can be transmitted to offsprings if they occur in what?
If a mutation occurs in a germ-line cell or in simple words that one thing that will give rise to gametes, like egg or sperm cells, then this mutation can be passed to an organism's offspring.
The RNA product of the genetic code above has the sequence ____________ . It binds to the small subunit of the ____________ . It is joined by the large subunit, completing the initiation stage of the process of ____________ .
The Genetic code was not given, however, The genetic code associated with this question is as follows:
ACCGCTTGCCGCAAT
Answer:
The correct answer is - UGGCGAACGGCGUUA, ribosome, translation.
Explanation:
The translation is the second process of protein synthesis followed by transcription. Transcription produces mRNA sequence from DNA gene sequence and bring it to the cytoplasm for translation to take place.
The gene segment ACCGCTTGCCGCAAT is encoded to mRNA sequence by converting bases to their complementary bases A to U and C to G and G to C and T to A so the new code will be - UGGACGAACGGUGUUA.
This mRNA binds with a small subunit of ribosomes and then a large subunit of ribosome joined and completes the first stage initiation of the translation.
When a bat is hibernating, how fast does its heart pump?
Answer:
20 beats per minute
Explanation:
Answer:20 beats
Explanation:bat's heart rate slows to only 20 heartbeats per minute.
Snake venom contains a mixture of enzymes, which include phospholipase that break down cell membranes, proteinases that destroy proteins, as well as amino acid oxidases and nucleotidases that break down the monomers for protein and DNA synthesis, which is why they can be so deadly. If you were bitten by a venomous snake you may be treated with an antivenom. In addition to antibodies that help your immune system recognize and fight the foreign molecules, what else does the antivenom most likely contain
Answer:
The correct answer is - Venom enzyme inhibitors.
Explanation:
The snake venoms are the complex mixtures of phospholipase A2s, disintegrins, serine proteases, C-lectins, and metalloproteases, and others. The snake venom phospholipase A2s (svPLA2s) enzymes found in most of the families of venomous snakes that cause anticoagulant effects, cardiotoxicity, neurotoxicity, and cytotoxicity, and other effects.
In antivenom, there are Venom enzyme inhibitors other than antibodies that help in neutralizing these enzymes by weakening or inhibiting these toxic actions.
the chromosomal hereditary material is packaged in this organelle in eukaryotic cells but not in prokaryoitc cells. This organelle is called
Answer:
Nucleus
Explanation:
The correct answer would be the nucleus.
The nucleus is a double membrane organelle that is found in all eukaryotic cells but not in prokaryotic cells. It contains the chromosomal hereditary material of eukaryotic cells and serves as the control center of the cell where other cellular activities are dictated.
The chromosomal hereditary materials of prokaryotic cells lie freely within the cytoplasm unlike what is obtainable in eukaryotic cells. The materials are package in a condensed fashion within the eukaryotic nucleus to form a structure known as chromatin. During cell division, the chromatin decondenses and become visible under the microscope as chromosomes.
