GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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One major physical feature that all mollusks have is a ____
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outer shell
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tentacles
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claws
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mantle
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Explanation:
Detailed explanation-1: -mantle, also called pallium, plural pallia, or palliums, in biology, soft covering, formed from the body wall, of brachiopods and mollusks; also, the fleshy outer covering, sometimes strengthened by calcified plates, of barnacles. The mantle of mollusks and brachiopods secretes the shell in species that possess shells.
Detailed explanation-2: -They are mostly found in marine and freshwater. They exhibit organ system level of organization. Their body has a cavity. The body is divided into head, visceral mass, muscular foot and mantle. The head comprises of tentacles and compound eyes. The body is covered by a calcareous shell. More items •10-Mar-2021
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