Chemical defenses are more common among plants than animals because: a) plants cannot move to escape

Chemical defenses are more common
among plants than animals because:

a) plants cannot move to escape
predators and so must develop other deterrents. b) the cell wall can contain
the chemicals more effectively than a simple plasma membrane. c) mechanical
defenses against predators can evolve only in animals. d) parasite loads are
significantly higher in plants than in animals. e) All of the above are
correct.