Multiple Choice
Figure 52.4
-What conclusion can you draw from the figure above?
A) Mussels can sense the presence of crabs only visually.
B) Without direct contact, mussels can sense the presence of crabs.
C) Shell thickness is a non- inducible defense.
D) Mussels are increasing their shell thickness in response to water current.
Correct Answer:

Verified
Correct Answer:
Verified
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