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In Many Echinoderms Respiration and Waste Removal Take Place by Means

Question 43

Multiple Choice

In many echinoderms respiration and waste removal take place by means of finger-like projections that occur near the spines,which are called

A) madreporite.
B) ampulla.
C) nerve ring.
D) papulae.
E) endoskeleton.

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