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The second greatest number of species in an animal phylum is found in

a. nematodes.
b. mollusks.
c. platyhelminths.
d. echinoderms.
e. cnidarians.

1 Answer

4 votes
Answer: B mollusks

Explanation: Mollusca is the second largest phylum of invertebrate animals. The members are known as molluscs or mollusks. Around 85,000 extant species of molluscs are recognized.
User Ayaz Alifov
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