Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
To sum it up it mixes all the genes up and creates a genetic diversity.. and in other words it produces a genetic variation
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Answer:
a malfunction of endoplasmic retuculum
Explanation:
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<span>These are explained by (D) punctuated equilibrium. This particular model of evolution is described as a large amount of evolutionary change that occurs in a very short 'punctuated' period of time. Unlike most evolutionary changes, which occur over thousands of years, this model describes evolutionary changes that occur suddenly after a certain event.</span>