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Question

Extra embryonic membrane amnion is not found in amphibians because

A
They lay eggs in water
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B
Egg hatches in tadpole
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C
Amphibious habit
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D
They have smooth skin
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Solution

The correct option is A They lay eggs in water
Amnion provide protection against shock and desiccation which is already provided by water in frogs, hence amnion is absent in it.

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