Which of the following groups of animals is NOT classified correctly?
A. Mollusks – squids, octopuses, and snails
B. Echinoderms – sea star, sand dollar, and sea lily
C. Cnidarians – corals, hydras, and jellyfish
D. Flatworms – planaria, tapeworm, and pinworm
Answers & Comments
Answer:
B. Echinoderms – sea star, sand dollar, and sea lily
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