Which hypothesis supports the observation that herbivores do not generally eat all of the available plants?
A) plant- defence hypothesis
B) poor nutrition hypothesis
C) top- down control hypothesis
D) a combination of all of the above
E) none of the above

Question

Quizplus · Accepted Answer

The observation that herbivores do not generally eat all of the available plants can be explained by a combination of hypotheses: the plant-defense hypothesis (plants have evolved defenses to deter herbivores), the poor nutrition hypothesis (not all plants provide sufficient nutrition), and the top-down control hypothesis (predators limit herbivore populations).

Which Hypothesis Supports the Observation That Herbivores Do Not Generally