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Mollusks Classification and Characteristics

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Mollusks Classification and Characteristics

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Questions and Answers

What is the main characteristic of mollusks?

Soft-bodied and enclosed in a silica shell

Soft-bodied and enclosed in a calcium carbonate shell (correct)

Soft-bodied and enclosed in a chitinous shell

Hard-bodied and enclosed in a calcium carbonate shell

Which phylum includes over 100,000 species of animals?

Arthropoda

Mollusca (correct)

Annelida

Echinodermata

What covers the soft mantle of mollusks and secretes the calcium carbonate shell?

Epidermis

Tentacles

Exoskeleton

Mantle (correct)

Which class of mollusks includes chitons?

<p>Polyplacophora</p> Signup and view all the answers

Study Notes

Mollusks are a diverse group of soft-bodied invertebrates that are usually enclosed in a calcium carbonate shell, secreted by a soft mantle covering The phylum Mollusca is the second-largest animal phylum, with over 100,000 species and includes various classes such as Gastropoda, Bivalvia, Cephalopoda, and Polyplacophora (chitons

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Description

Test your knowledge of the diverse group of soft-bodied invertebrates known as mollusks. Learn about their calcium carbonate shells, mantle covering, and different classes such as Gastropoda, Bivalvia, Cephalopoda, and Polyplacophora (chitons).