Figure 53.4 -What Conclusion Can You Draw from Figure 53.4

Multiple Choice

Figure 53.4
-What conclusion can you draw from Figure 53.4?

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.
E) Crabs hunt for mussels by focusing on the chemicals they emit into the water.