Which of the Following List of Features Describes the Molluscs

question 8

Multiple Choice

Which of the following list of features describes the molluscs and bivalves but not the annelids?

• A)Reduced cephalization,contain a muscular foot and a mantle,may possess a hard outer shell.
• B)Presence of cephalization,contain a muscular foot and a mantle,may possess a hard outer shell and have a complete digestive system.
• C)Lack of cephalization,contains circular muscles that enable them to move,may possess a hard outer shell,and have a complete digestive system.
• D)Lack of cephalization,every member of the group will have a hard outer shell as well as a complete digestive system.
• E)None of these lists describes the molluscs and bivalves but not the annelids.

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