OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which part of the Mollusk body is the tissue covering the body and secretes the shell?
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Mantle
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Trochophore
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Foot
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Visceral Mass
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Explanation:
Detailed explanation-1: -In shelled molluscs, the mantle is the organ that forms the shell, and adds to the shell to increase its size and strength as the animal grows. Shell material is secreted by the ectodermic (epithelial) cells of the mantle tissue.
Detailed explanation-2: -The Mantle is a soft, fleshy outer covering, formed from the body of brachiopods and mollusks, sometimes strengthened by calcified plates made of barnacles. The mantle secretes the shell in species that possess shells like brachiopods and mollusks.
Detailed explanation-3: -Nacre or mother of pearl is secreted by mantle’s.
There is 1 question to complete.