Two species in a community compete for the same resource.Species A maintains a significantly larger population.However, after a several-year drought, species A declines and species B begins to increase its population size.The two species are carrying out an interaction known as
A) symbiosis.
B) competitive exclusion.
C) mutualism.
D) resource-mediated coexistence.
E) a trophic cascade.

Question

Quizplus · Accepted Answer

Resource-mediated coexistence occurs when environmental changes, such as a drought, alter resource availability, allowing a previously less competitive species (species B) to increase in population size.

Two Species in a Community Compete for the Same Resource