Multiple Choice
Figure 53.4
-What conclusion can you draw from the figure above?
A) Without direct contact,mussels can sense the presence of crabs.
B) Mussels can sense the presence of crabs only visually.
C) Mussels are increasing their shell thickness in response to water current.
D) Shell thickness is a non-inducible defense.
Correct Answer:

Verified
Correct Answer:
Verified
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