Among Animal Species That Are Meat-Eating, ____

Among animal species that are meat-eating, ____.

A) humans are the only species in which some individuals choose to be vegetarian
B) about 5% of the population of most species choose to be vegetarian
C) about 50% of the population of most species choose to be vegetarian
D) the tendency to follow a mostly vegetarian (rather than meat-eating) diet appears to be largely genetic