How do rates of mutation "power" molecular clocks?

1 answer:

8 0

Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.

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What are the reasons for the adaptation of organisms to the environment

Paul [167]

Answer:

The reasons for the adaptation of organisms to the environment are

to adapt to their habitat to be able to survive.

<h2>Hope it helps you.</h2>

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2 years ago

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Which plate does not appear in both hemispheres?

lbvjy [14]

Answer:

Indo-Australian

Explanation:

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Cells tissues populations and ecosystems are all examples of.

cupoosta [38]

Given what we know, we can confirm that cells tissues populations and ecosystems are all examples of components of the biosphere.

<h3>What is the biosphere?</h3>

This is considered the highest level of organization of life on earth.
It is the sum of all of the ecosystems present on the planet.
Every living thing, from cells to entire forests, are contents of the biosphere.

Therefore, given that the biosphere is the sum of all ecosystems on planet Earth and includes every living thing, we can confirm that cells and ecosystems are both prime examples of this.

To learn more about the Biosphere visit:

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2 years ago

The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as

soldi70 [24.7K]

The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.

<h3>What are nerve receptors?</h3>

Nerve receptors can be defined as biological structures capable of converting external/internal stimuli to electrical impulses.

Nerve receptors include different types of cellular structures located in eyes, skin, mouth, nose, etc.

In conclusion, the sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.

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1 year ago

The nurse is considering risk factors for influenza in a group of preschool children. which factors are considered to place chil

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There were no choices provided. But there is a related research about this situation.

Risk factors of influenza transmission in households
Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1326070/

<span>>Reasons for increased transmission from children
</span> The research pointed three causes.
1. Children are more exposed to different people in different places. their households, peers in schools and other children.

2. Children especially preschools are said to have lower immunity which makes them prone and catching influenza.

3. Lastly, viral shedding among children can alleviate and spread period of infection.

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3 years ago