The extinction vortex: A) is what happens when competing species fight over a si

Question

The extinction vortex:

A) is what happens when competing species fight over a single niche, often driving both species to extinction.

B) is a spiral of events that includes introduction of competing species, overexploitation, and disease, in that order.

C) begins when one species in an ecosystem goes extinct and other species follow.

D) is a spiral of events that occur once a species has become overcrowded through excess reproduction.

E) is what happens as a population decreases and becomes more vulnerable to extinction from a variety of causes.

Explanation / Answer

E is correct. In extinction R vortex population becomes more vulnerable to extinction due to many types of disturbances. This finally leads to decrease in population size.

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