Which statement about keystone predators is true?
A) They usually are abundant in number and/or have disproportionately high biomass.
B) They usually influence primary producers directly.
C) They usually influence primary producers indirectly.
D) They are the same as foundation species.

Question

Quizplus · Accepted Answer

Keystone predators typically influence primary producers indirectly by controlling the populations of herbivores or other species that directly interact with primary producers, thus maintaining the balance of the ecosystem.

Which Statement About Keystone Predators Is True