PLEASE HELP!! Identify the event that indicates that evolution has occurred. A. A white-eyed fly is born into a population of br
own-eyed flies. B. An allele frequency changes in a population. C. A flock of birds dies. D. A new predator comes into an environment.
1 answer:
B. an allele frequency changes in a population.
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Answer:
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Explanation:
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I not sure but my guess is D if I wrong tell me
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