Use the figure to answer the following question.

What conclusion can you draw from the figure?
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) Crabs hunt for mussels by focusing on the chemicals they emit into the water.

Question

Use the figure to answer the following question.

What conclusion can you draw from the figure?
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) Crabs hunt for mussels by focusing on the chemicals they emit into the water.

Quizplus · Accepted Answer

The figure shows that mussels increased their shell thickness when exposed to water containing a chemical cue from crabs. This suggests that mussels can sense the presence of crabs through chemical cues in the water, even without direct contact.

Use the Figure to Answer the Following Question