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natita [175]
3 years ago
6

__________ is best defined as a sudden variation in an inheritable characteristic, as distinguished from a variation that result

s from generations of gradual selection.
Biology
1 answer:
Sloan [31]3 years ago
7 0

Answer: Mutation

Explanation: Mutation is a change in DNA sequence, it may occur due to error when the DNA is copied or it can arise from various environmental factors such as exposure to chemicals, UV radiation, Highly infectious microbes.

Mutation maybe spontaneous. Acquired mutations occur at some point in a person's life and are present only in certain cells, not in every cell in the body while some may target a tissue, an organ or an entire system.

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Which of the following is not needed in a population in order for natural selection to act?
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I would say overproduction. Not sure though. Hope this helps!
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Explanation:

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algol [13]
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Continental-continental convergence occurs when two continental plates converge. In this case, the plates push up against each other and create mountain ranges. Unlike the other two, they do not sink down, the movement is upwards. This occurs in the area C of your diagram. 

6 0
3 years ago
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