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Question
In amphibians,_____________.
In amphibians,_____________.
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Solution
The correct option is D Limbs are pentadactyl
Exoskeleton is a hard part, which is present on the body surface. Amphibians do not show the presence of an exoskeleton. So the frogs do not have exoskeleton. The skin of amphibians is used for the gas exchange and it has an important role in respiration. Limbs with five digits such as human hand or foot, which are also found in many amphibia, like in frogs and this type of limbs are called as pentadactyl limbs.So, the correct answer is 'Limbs are pentadactyl'
Exoskeleton is a hard part, which is present on the body surface. Amphibians do not show the presence of an exoskeleton. So the frogs do not have exoskeleton. The skin of amphibians is used for the gas exchange and it has an important role in respiration. Limbs with five digits such as human hand or foot, which are also found in many amphibia, like in frogs and this type of limbs are called as pentadactyl limbs.
So, the correct answer is 'Limbs are pentadactyl'
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