Answers
Answer:
1. Vegetation structure that is dominated by grasses.
2. Rainfall and soils insufficient to support significant tree growth.
3. Most common at mid-latitudes and near the interiors of continents.
4. Grasslands are often exploited for agricultural use.
Explanation:
Related Questions
Calculate the equilibrium genotype frequencies from a population with allele frequencies p=.25 and q=.75
Answers
There are 6.25% homozygous dominant people (AA), 37.5% heterozygous people (Aa), and 56.25% homozygous recessive people (aa).
How to determine equilibrium genotype frequencies?In a population with two alleles, p and q, the frequency of p and q must add up to 1, or 100%. In this case, p = 0.25 and q = 0.75.
Using the Hardy-Weinberg equation, we can calculate the expected frequencies of the three possible genotypes: AA, Aa, and aa. The equation is:
p² + 2pq + q² = 1
where p² represents the frequency of the AA genotype, 2pq represents the frequency of the Aa genotype, and q² represents the frequency of the aa genotype.
Substituting the given values of p and q:
(0.25)² + 2(0.25)(0.75) + (0.75)² = 1
0.0625 + 0.375 + 0.5625 = 1
Therefore, the expected frequencies of the three genotypes are:
AA = p² = (0.25)² = 0.0625
Aa = 2pq = 2(0.25)(0.75) = 0.375
aa = q² = (0.75)² = 0.5625
So in this population, we would expect to see 6.25% homozygous dominant individuals (AA), 37.5% heterozygous individuals (Aa), and 56.25% homozygous recessive individuals (aa).
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Please help asap
The name for the manner of reproduction where a flatworm is cut in half and each half grows back is ….
Answers
Which of the following is the name of a type of chromosomal mutation and a type of gene mutation?
A. Deletion
B. Inversion
C. substitution
Answers
Answer:
The name of a type of chromosomal mutation and a type of gene mutation is:
Deletion
How would replanting trees impact the carbon cycle?
Answers
Answer:
It can reduce carbon in the atmosphere.
Which cell has the largest problems due to surface area limitations
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Answer:
Terms in this set (217) Thinking about the surface of cells, which of these cells has the largest problems due to surface area limitations? Eukaryotic cells are 10-100 times the size of prokaryotic cells.
analyze how does the ozone layer benefit life on Earth
Answers
Answer:
Explanation: The atmosphere acts like a multi-layer shield that protects Earth from dangerous solar radiation. ... The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting Earth's surface and harming living organisms
Answer: The ozone layer filters out most of the sun's harmful UV radiation and is therefore crucial to life on Earth.
Explanation:
DNA codes for _?_, which account for the heritable characteristics of an organism.
a monosaccharides
b fatty acids
c fats
d proteins
Answers
DNA codes for proteins. Therefore option (D) is correct.
What does DNA code for?Deoxyribonucleic acid (DNA) is the genetic material that codes for the heritable characteristics of an organism. DNA stores information in the form of a code made up of four nucleotide bases (adenine, guanine, cytosine, and thymine) arranged in a specific sequence.
This sequence provides the instructions for the synthesis of proteins, which carry out the majority of cellular functions and determine an organism's physical traits. Thus, DNA acts as the blueprint for the development and functioning of all living things, from bacteria to humans.
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Which planet is most similar in temperature to Earth?
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Answer:
It depends; If you're asking for very temporary moments on the planet, it would be mercury, because its temperature ranges from 427 degrees to -180 degrees Celcius. If you were to stand just in the right spot at just the right time, its temperature would be the same as the earth's temperature.
But if you are asking about longer periods of time, it would be Mars. Its average temperature is around -60 degrees celcius, but its summer can get up to 20 degrees celcius.
I really hope this helped you.
Question 5 of 25
Which measurements could create more than one triangle?
A. Sides measuring 3 cm, 8 cm, and 15 cm
B. Sides measuring 10 cm and 20 cm and an included angle
measuring 50°
C. Angles measuring 100°, 10°, and 70°
D. Angles measuring 110°, 40°, and 40°
SUBMIT
Answers
The measurements that could create more than one triangle are options C and option D.
Explanation: For a triangle to exist, the sum of any two sides of a triangle must be greater than the length of the third side.
In option C, the angles measuring 100°, 10°, and 70° do not satisfy this condition, as the sum of the angles 10° and 70° is less than 100°, making it impossible to form a triangle. However, by rearranging the angles, such as 10°, 70°, and 100°, we can create a valid triangle.
In option D, the angles measuring 110°, 40°, and 40° also violate the condition for a triangle, as the sum of the angles 40° and 40° is less than 110°. However, by rearranging the angles, such as 40°, 40°, and 110°, we can create a valid triangle.
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Plsssss helppppp!!!!!!
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A part of an mRNA has the sequence GGA. Which change to this sequence
would indicate a missense mutation?
Answers
Answer:
C.GCA
Explanation:
Answer:
its C
Explanation:
Describe the function of muscle cells in the wall of the stomach.
Answers
The function of muscularis in the stomach wall is to squeeze the walls together to help move partly digested food into the small bowel.
Muscle fibers comprise a single muscle cell. They prop to control the physical forces within the body. When grouped with each other, they can reduce the movement of your limbs and tissues.
Therefore, the stomach muscles contract occasionally, churning food to improve digestion. Among all the GI organs, the stomach is the only one with a triple-layered tunica muscularis which is a muscle layer.
This triple layer of muscle allows the stomach to twist, turn and churn in different directions to mechanically and chemically digest your food. This muscle is also a smooth muscle, which is under involuntary control.
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Question 5 of 10
Which phrase is the best definition of matter?
OA. Anything that has mass and occupies space
OB. A substance that has a fixed volume
O C. The amount of material in a given volume of space
O D. Anything that can move from place to place
SUBMIT
Answers
Answer:
Anything that has space and occupies space
The answer is A - Anything that has mass and occupies space.
What happens to certain nutrient molecules after they pass into muscle cells?
A.
They are replicated in the nucleus
B.
They are acted on by enzymes and release the energy they contain.
c.
They are changed into tissues and organs in the cytoplasm.
D.
They enter chloroplasts, where they can absorb light energy.
Submit Answer
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Answers
Answer:
B. They are acted on by enzymes and release the energy they contain.
Explanation:
Muscles need energy to function thus these molecules make their way into muscles where enzymes act on them to release the energy, energy will likely be ATP.
In the yawncat (a rare hypothetical animal), the dominant allele R causes solid tail color, and the recessive allele r results in white spots on a colored background. The black coat color allele B is dominant to the brown allele b, but these genes can only be expressed if the animal has an mm genotype at a third gene locus. Animals that are M- are yellow regardless of which allele from the B locus is present. A mating between a solid yellow-tailed male yawncat and a solid brown-tailed female yawncat produce 16 offspring with the following tail phenotypes: six solid yellow, two spotted yellow, three solid black, one spotted black, three solid brown, and one spotted brown.
a. What are the most likely genotypes of the male and female parents? Explain the strategy used to determine the genotypes.
b. What is the probability of the next offspring having a solid brown tail?
Answers
How is osmosis different from diffusion?
A. Osmosis refers to substances moving up a concentration gradient, while diffusion refers to substances moving down a concentration gradient
B. Osmosis is a form of passive transport, while diffusion is a form of active transport
C. Osmosis is a form of active transport, while diffusion is a form of passive transport,
D. Osmosis refers specifically to the diffusion of water.
Answers
what would happen if someone injected tap water directly into their bloodstream?
Answers
An invasive species, the spiny water flea, was recently found in a New York lake. These water fleas eat zooplankton, a food also consumed by native fishes. The fleas spread from lake to lake by attaching to fishing lines, anchor ropes, and boats. Which statement best describes the effect of the water flea on the lake?
Answers
The introduction of the spiny water flea into the lake is likely to have a negative effect on the balance of the native ecosystem, as the water fleas will compete with native fish for resources such as zooplankton, and may disrupt the existing food chain.
What is a Water flea?A water flea is an aquatic crustacean. Normally, it is a member of the order Cladocera, meaning it has a small body, two antennae, and a single shell (a carapace) over its back. Water fleas move by using the hair-like setae which are located on their legs. They are an important part of aquatic ecosystems as they are used as food by other aquatic organisms. They also help to clean up organic matter in water bodies, thus improving water quality.
What is a zooplankton?A zooplankton is a microscopic or tiny aquatic animal, usually found in oceans or freshwater bodies. They are usually very small in size and typically feed on phytoplankton. Zooplankton are key components of aquatic food webs and are a vital part of the aquatic environment. They are also important for carbon cycling, filtering pollutant particles from the water, providing food for fish and other aquatic organisms, and providing a food source for larger predators.
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Which of the following describes an environmental problem that can result from the combustion of fossil fuels to generate electricity?Carbon dioxide is a product of the combustion fossil fuels, and it can lead to global climate change when released into the atmosphere.
Answers
Other environmental problems resulting from the combustion of fossil fuels to generate electricity include air pollution, acid rain, and water contamination.
What do you mean by fossil fuels?
Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. They contain high percentages of carbon and include petroleum, coal, and natural gas. Fossil fuels are non-renewable resources that are used to generate electricity and are the main source of fuel for transportation and industrial activities.
Environmental problems resulting from the combustion of fossil fuels to generate electricity include air pollution, water pollution, and climate change. Air pollution is caused by the release of pollutants such as sulfur dioxide, nitrogen oxides, and particulate matter. These pollutants can cause respiratory and cardiovascular diseases, as well as acid rain. Water pollution is caused by the release of pollutants such as mercury, lead, and arsenic into surface water, which can contaminate drinking water and harm aquatic life. Climate change is caused by the release of greenhouse gases, such as carbon dioxide, into the atmosphere, which can lead to an increase in average global temperature and changes in weather patterns.
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-. What are the two steps involved in the creation of proteins? Define
each. Which step is the job of the ribosomes?
Answers
Answer:
Explanation:
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. In eukaryotic cells, transcription takes place in the nucleus.
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(googles words, not mine)
In general, the land changes temperature much more rapidly than the
ocean. How does this fact explain the existence of land breezes and sea breezes?
Answers
Answer:
Answer
Explanation:
Sea breezes occur during hot, summer days because of the unequal heating rates of land and water. During the day, the land surface heats up faster than the water surface. Therefore, the air above the land is warmer than the air above the ocean.
What is the probability that unicorn offspring will have a white horn? Brown horn?
Answers
The probability that the offspring will have a white horn is 3 out of 4, or 75%.
In unicorns, the trait of having a white horn (W) is considered dominant over having a brown horn (w). When two heterozygous unicorns, each carrying one dominant white horn allele (W) and one recessive brown horn allele (w), are crossed, the probability of their offspring having a white horn can be determined using Punnett squares.The possible genotypes of the parent unicorns are Ww and Ww. When these genotypes are crossed, the potential offspring can inherit one of the following genotypes: WW, Ww, Ww, or ww. Out of these options, three of them (WW, Ww, Ww) contain at least one dominant white horn allele, resulting in a unicorn with a white horn. Therefore, the probability that the offspring will have a white horn is 3 out of 4, or 75%. This calculation is based on the assumption that the genetic traits are inherited independently and follow Mendelian inheritance patterns.For more questions on genotypes
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Note: The question would be as
In unicorns, having a white horn (W) is dominant to having a brown horn (w). Two heterozygous unicorns are crossed. What is the probability that the offspring will have a white horn?
9.
Wakeny
2015 Encyclopaedia Britannica, inc
If 27,500 Kj is at the producer level how many Kj are available for the secondary
consumers ?
Answers
By being consumed by another organism, organic molecules from one organism's body can transfer energy from one trophic level to the next. But typically, there is not a particularly effective way to move energy between trophic levels.
The energy stored as biomass at one trophic level, such as primary producers, only accounts for 10% of the energy stored in the following trophic level (e.g., primary consumers).
In other terms, as trophic levels rise, net production falls by a factor of 10.
First-level trophic level members are producers. In the second trophic level, there are primary consumers. The third trophic level has secondary consumers. Because they are at a low trophic level than Tertiary Consumers, Secondary Consumers receive more energy.Since 27,500 Kj energy is present at the producer level, 10% of it will be available at the primary consumer level. This accounts for 2750 Kj of energy.Now, 10% of 2750 Kj of energy will be available at the secondary consumer level. This is equivalent to 275 Kj of energy.Learn more about trophic levels here:
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The intervening age between childhood and puberty
Answers
Answer:
adolescence is the age b/w childhood and puberty. it includes some big changes to the body of a person.
Explanation:
There are two alleles and 3 genotypes for the C gene locus (incomplete dominance). Individuals with different genotypes vary in their relative fitness. If the relative fitness of C1C1 individuals is 1.0, the relative fitness of C1C2 individuals is 0.9, and the relative fitness of C2C2 individuals is 0.8, which of these should result in future generations
Answers
The given question lack the choices of result that might come, however, the choices related to this question is as follows:
A. frequency of C1 will increase
B. frequency of C2 will increase
C. frequency of heterozygotes C1C2 will increase
D. frequency of both same alleles will increase
E. not enough information provided to predict
Answer:
The correct answer is - option A. Frequency of C1 will increase.
Explanation:
In incomplete dominance, the relative fitness of heterzygous cases place always in between the other two allele genotype cases. In the given question, the relative fitness of C1C2 individuals is 0.9 between the relative fitness of C1C1 individuals is 1.0 and the relative fitness of C2C2 individuals is 0.8.
It is because there is no barrier to increasing the fitness of the more fit allele. The result of this is an increase in the fit alleles which is C1 here to reach equilibrium in the population.
What were the main lessones you learned about living things
Answers
Answer:
- Most living things need food, water, light, temperatures within certain limits, and air. Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce, grow, and are dependent on their environment.
Please help.... will mark brainliest IF CORRECT
Answers
Answer:
pretty sure its the second one
Explanation:
Answer:
C, community
Explanation:
i know all the definitions
How has cell technology most likely benefited the commercial flower industry?
Growers can quickly grow disease-resistant plants from tissue cultures.
Growers can study plant growth patterns under many different conditions.
Growers can grow seedlings without using expensive fertilizers.
Growers can create new flower colors without using cross-pollination.
Answers
From tissue cultures, growers may swiftly produce plants that are resistant to disease. (Position a)
What is technology based on human stem cells?Stem cell treatment, commonly referred to as regenerative medicine, uses stem cells or their byproducts to encourage the body's natural ability to heal damaged, sick, or malfunctioning tissue. It is the next phase of organ transplantation and replaces donor organs, which are scarce, with cells.
How well does stem cell technology work?The type of treatment, the illness or condition being treated, and indeed the stage of the illness can all affect the likelihood of success of stem cell therapy. Stem cell therapy is generally regarded as a secure and efficient treatment option for a variety of illnesses.
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what is the correct chronological order of the stages of planet formation
Answers
Answer:
The correct chronological order of the stages of planet formation are differentiation, cratering, flooding, and surface evolution.
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Which of following items is probably the most ductile?
A. slice of bread
B. piece of chewed gum
C. wooden blocks
D. piece of paper
Answers
Answer:
D I think
because ductile means that they can form without cracking
piece of chewed gum.
Explanation:
chewing gum is flexible. it shows both malleability and ductility