Multiple Choice
The pores leading to both the protocoel and paired coelomic cavities of the enteropneust hemichordates allow
A) fertilization of eggs by sperm.
B) exchange of fluids for a low efficiency respiratory system.
C) water to be drawn in to stiffen the chambers to aid in burrowing.
D) excretion of wastes.
E) movement of ions and water to keep an osmotic balance.
Correct Answer:

Verified
Correct Answer:
Verified
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