Water enters the water vascular system of echinoderms through the:
A) spines.
B) mouth.
C) madreporite.
D) tubercle.
E) tube feet.

Name: Water enters the water vascular system of echinoderms through the: A) spines. B) mouth. C) madreporite. D) tubercle. E) tube feet.
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Question

Quizplus · Accepted Answer

Water enters the water vascular system of echinoderms through the madreporite, which acts as a sieve-like opening on the aboral surface (upper surface) of the animal's body.

Water Enters the Water Vascular System of Echinoderms Through The