Phytoplankton play an important role in which of the following biogeochemical cycles?A. the nitrogen cycle
B. the phosphorus cycle
C. the carbon cycle

Answers

Answer 1

Answer: The answer is C. Phytoplankton play an important role in the carbon cycle. They are critical in regulating carbon in the cycle. These organisms consume carbon dioxide from the atmosphere and transport the gases and nutrients from the surface of the ocean to the deep.

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How do natural disasters contribute to genetic drift?

Answers

Final answer:

Natural disasters can lead to genetic drift by causing changes in population size and composition. They can result in the loss of genetic variation, founder effects, and bottleneck effects.

Explanation:

Natural disasters can contribute to genetic drift by causing significant changes in the population size and composition of a species. These events can lead to a random loss of genetic variation by causing the death of certain individuals or wiping out entire populations. For example, in a wildfire, individuals with certain genetic traits may be more vulnerable to the fire and are therefore less likely to survive and reproduce, leading to a decrease in the frequency of those traits in future generations.

In addition, natural disasters can also result in founder effects and bottleneck effects. A founder effect occurs when a small group of individuals become isolated from the larger population and establish a new population. The genetic diversity of this new population is greatly reduced compared to the original population, leading to genetic drift. Similarly, a bottleneck effect occurs when a large population undergoes a drastic reduction in size, reducing genetic diversity. Both of these effects can be caused by natural disasters, such as earthquakes or hurricanes.

Overall, natural disasters can have a significant impact on genetic drift by influencing the frequency and distribution of genetic traits within a population.

Learn more about Genetic drift here:

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Answer:

big changes in environmental conditions can sometimes cause large changes to the gene pool of a species

Explanation:

hope this helps!

Bonds that form between two nonmetal atoms are usually ionic bonds. Please select the best answer from the choices provided T F

Answers

they are covalent bonds so it would be false

A crystal's shape is determined by its organized, repeating atomic structure, called?

Answers

Answer:The constituents of a solid can be arranged in two general ways: they can form a regular repeating three-dimensional structure called a crystal lattice, thus producing a crystalline solid, or they can aggregate with no particular order, in which case they form an amorphous solid (from the Greek ámorphos, meaning

Explanation:

A test cross with an organism with a homozygous recessive genotyperesults in 50% of the offspring exhibiting the recessive trait.
What is the genotype of the test-cross
parent?
I. Homozygous recessive
II. Homozygous dominant
III. Heterozygous
A. I only
B. II only
C. III only
D. I or III
E. II or III

Answers

The answer is heterozygous.

If it was crossed with homozygous dominant, then 100% of the offspring would show the dominiant trait. If it was homozygous recessive 100% of the offspring would have the recessive trait

I say C. III ONLY, because if you put this all out on a punnet chart that is the only one that comes out with a correct outcome, 50%, so I say it is heterozygous only, answer choice C!

Hope this helps, if not, comment below please!!!!

A new drug is discovered for the treatment of thyroid cancer. Which is a logical next step of the scientific method after the discovery has been successfully tested?

Answers

clinical trials would be the next steps

to go to the clinic, or hospital would be the next step of what to do.
Hope that this helps you! =)

The ratio between the force of sliding friction and the normal force of an object is called _____.-rolling friction
-the drag
-the coefficient of friction
-the starting friction