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Korvikt [17]
3 years ago
9

What can we infer from the stickleback fossil record about evolutionary processes occurring today?

Biology
1 answer:
s2008m [1.1K]3 years ago
3 0
<h3><u>Answer;</u></h3>

Evolutionary patterns observed in the fossil record are consistent with evolutionary processes occurring today.

<h3><u>Explanation;</u></h3>
  • Three spine stickleback is a model organisms for studies in evolution because; Stickleback fish are small and have short generation times. These two characteristics make them easy to keep in a lab and useful for conducting genetic studies, since researchers can follow several generations of fish in a relatively short time.
  • Also, stickleback fish populations occur throughout the Northern Hemisphere in a wide range of environments, so researchers can compare different populations and study how they have changed over time in response to different environmental pressures.
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Why does sexual reproduction result in more genetic variation in a species than asexual reproduction?
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Answer:

B

Explanation:

During asexual reproduction, the parent essentially clones their DNA to make their child. This means that there is very little possible variation, except for some occasional mutations. However, during sexual reproduction, the child gets the copy of DNA from both of their parents, and their features a mixture of their parents. This makes them not identical to either parent, unlike asexual reproduction. Therefore, the correct answer is choice B. Hope this helps!

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Along with neuropsychological assessment, ______ may be used to shed light on relationships between brain function and underlyin
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Along with neuropsychological assessment, brain imaging and recording techniques may be used to shed light on relationships between brain function and underlying abnormalities.

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3 years ago
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BaLLatris [955]

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7 0
3 years ago
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3 years ago
Steps in a reproductive process used to produce a sheep with certain traits are listed below. Step 1 — The nucleus was removed f
NeX [460]

Answer:  

<h2>Sheep B </h2>

Explanation:

As given;  

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which is taken from sheep A, means that the egg was from sheep A.

Step 2 : The nucleus of a body cell which is taken from sheep B was then

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Step 3 : The resulting cell containing nucleus of sheep B was then implanted into the uterus of

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