Multiple Choice
Which statement is NOT true about echinoderms?
A) The exoskeleton is made of spiny plates.
B) Gas exchange occurs through skin gills and tube feet.
C) Larvae are free-swimming and bilaterally symmetrical.
D) A water vascular system allows the tube feet to produce suction.
E) Symmetry is radial in the adult,usually with parts in fives or multiples of five.
Correct Answer:

Verified
Correct Answer:
Verified
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