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Aleks [24]
3 years ago
11

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.
Biology
1 answer:
MArishka [77]3 years ago
6 0
B. an allele frequency changes in a population.
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