An Herbivore Species Would Most Likely Exert Strong Selective Pressure

Multiple Choice

An herbivore species would most likely exert strong selective pressure on its host plant species if the herbivore eats

A) a very small percentage of the plant biomass.
B) throughout the spring and summer but eats only leaves.
C) a large part of the plant biomass, including the entire flower.
D) a large part of the plant biomass in late summer, after the plant reproduces.
E) a small part of the plant biomass in early spring, during plant reproduction.