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Total Productivity of an Ecosystem

Two species c...

Question

Two species competing for the same resource can avoid competition by choosing different habits. This phenomenon is called and was supported by _ .

A

competitive exclusion, Gause

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B

competitive exclusion , MacArthur

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C

resource partitioning, Gause

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D

resource partitioning, MacArthur.

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Solution

The correct option is D resource partitioning, MacArthur.
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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