Multiple Choice
Sea anemones have a(n) __________ that causes them to extend into a feeding position when longitudinal cells __________ and radial cells __________.
A) hydrostatic skeleton; contract; relax
B) endoskeleton; contract; relax
C) exoskeleton; contract; relax
D) hydrostatic skeleton; relax; contract
E) exoskeleton; relax; contract
Correct Answer:

Verified
Correct Answer:
Verified
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