Which Statement Is NOT True About Echinoderms

question 22

Multiple Choice

Which statement is NOT true about echinoderms?

• A)The exoskeleton is made up of bony tissue.
• B)Gas exchange occurs through gills on the skin.
• 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.

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