A community may undergo a regime shift or a phase shift when _______________
A)it has too many symbiotic relationships among species
B)it loses keystone species or suffer a major climatic change
C)pollutants cause a rapid rise in mutations
D)it suffers a natural fire or flood
E)all invasive and exotic species are removed

Question

Quizplus · Accepted Answer

A regime shift or phase shift in a community typically occurs when there is a significant change, such as the loss of keystone species or a major climatic change, which alters the structure and function of the ecosystem.

A Community May Undergo a Regime Shift or a Phase