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Question
Body of ___________ is covered with a hard shell.
Body of ___________ is covered with a hard shell.
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Solution
The correct option is D snail
Snails have a characteristic shell on their back. The hard external shell is a non-bony structure called exoskeleton. It doesn’t help in movements but is a shield from predators and damages.
Snails have a characteristic shell on their back. The hard external shell is a non-bony structure called exoskeleton. It doesn’t help in movements but is a shield from predators and damages.
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