Which of the following is an example of a chemical defense mechanism in plants?
A) A plant tastes bitter when a herbivore attempts to eat it
B) The leaves of a holly plant are slippery, making them difficult to eat
C) Thorns on the stems of pear bushes detract herbivores
D) The leaves of sensitive plants close up rapidly when they are touched
Answer: A) A plant tastes bitter when an herbivore attempts to eat it