Which of the Following Best Explains Why Food Chains Are

Multiple Choice

Which of the following best explains why food chains are sometimes short?

A) only a single species of herbivore feeds on each plant species
B) local extinction of a species causes extinction of the other species in its food chain
C) the transfer of energy from one trophic level to the next higher level is inefficient
D) predator species tend to be less diverse and less abundant than prey species