Multiple Choice
What do biologists cite as the primary benefit of the evolution of a coelom in animals?
A) the hydrostatic skeleton,allowing greater range of motion
B) a more efficient digestive system,in the form of a tube-within-a-tube
C) cephalization and the formation of a cerebral ganglion
D) the subsequent evolution of segmentation
Correct Answer:

Verified
Correct Answer:
Verified
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Q21: Figure 32.1<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3734/.jpg" alt="Figure 32.1