Multiple Choice
Which statement is false about cephalopods?
A) They were dominant predators of the sea 500 million years ago.
B) They had an elaborately chambered shell in the past.
C) All but one modern species has either a reduced shell or none at all.
D) Adaptive radiation of fishes led to selection pressures favoring speed and a large brain.
E) They have an open circulatory system.
Correct Answer:
Verified
Correct Answer:
Verified
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