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प्रश्न
Which of the following organisms does not have both muscles and skeleton for movement?
विकल्प
Dog
Snail
Earthworm
Human being
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उत्तर
Snail
Explanation:
Here, dogs and human beings have both muscles and skeletons while a snail has a hard shell which is a form of an exoskeleton and an earthworm lacks skeletons but uses two types of muscles for movement.
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