Which one of the following is incorrect?

Options

A. Biological control methods adopted in agricultural pest control are based on the ability of the predator to regulate prey population
B. Predators also help in maintaining species diversity in a community by increasing the intensity of competition among competing prey species
C. In the rocky intertidal communities of the American Pacific Coast the starfish pişaster is an important predator.
D. In a field experiment, when all the starfish were removed from an enclosed intertidal area, more than 10 species of invertebrates became extinct within a year, because of interspecific competition.

Answer

B