Multiple Choice
Consider the nearby figure, which shows how Virginia pepperweed responds to herbivores. Which of the following conclusions can we make solely using the data shown?
I. Plants increased glucosinolate production when aphids were present.
II. Plants with more glucosinolate and trichomes had fewer aphids.
III. Producing glucosinolate and trichomes reduced plant fitness when aphids were absent.
A) I only
B) II only
C) III only
D) I and II only
E) I, II, and III
Correct Answer:

Verified
Correct Answer:
Verified
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