Which of the following does not belong to the group of mollusks?,
A. Clam
B. Mussels
C. Oyster
D. Starfish
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Which of the following does not belong to the group of mollusks?,
A. Clam
B. Mussels
C. Oyster
D. Starfish
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Answer:
D. Starfish
Explanation:
Starfish belong to the phylum Echinodermata. Mollusks are a separate phylum of animals. Although both phyla are made up of invertebrates, differences in their anatomy are why starfish are classified as echinoderms and not mollusks. Echinoderms have spiny skin and many physical attributes that are unique in the animal kingdom.