A marine predator
A) Is likely to decrease the number of species in a community
B) Might under some circumstances maintain high diversity in a community
C) Will inevitably drive to extinction the rarest prey species
D) Always will be rarer than all prey species

Question

Quizplus · Accepted Answer

A marine predator can maintain high diversity in a community by controlling the population of dominant species, allowing less competitive species to thrive, a concept known as the "keystone predator" effect.

A Marine Predator