Which Statement Is False About Cephalopods

question 76

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.

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