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Question

When two similar species live in the same area, they may evolve to become more different in order to ________________.

A
drive the other species to extinction
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B
reduce competition
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C
use up the other species resources
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D
reduce genetic variation
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Solution

The correct option is B reduce competition
According to the mechanism of resource partitioning (supported by Mac Arthur), if two species compete for the same resource, they could avoid competition by choosing, for instance, different times for feeding or different foraging patterns. Two species evolve to become different too reduce competition, so that species can co-exist.

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