alleryWhich phylum combines a water vascular system, calcareous endoskeleton and radial adults?
ACnidaria
BMollusca
CCtenophora
DEchinodermata
Answer & Solution
Correct answer: D. Echinodermata
Echinoderms are exclusively marine with a calcareous ossicle endoskeleton. Adults are radially symmetrical but larvae are bilateral. Their water vascular system aids locomotion, feeding and respiration.
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