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Question

Amphibians share with reptiles all of the following features except:


A

External ear represented by tympanum

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B

External fertilisation and indirect development

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C

Ovipary

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D

Poikilothermia

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Solution

The correct option is B

External fertilisation and indirect development


Tympanum represents the ear in both amphibians and reptiles. Both these groups are oviparous (egg-laying). They are cold -blooded (poikilotherms) too. However, in amphibians, fertilisation is external, and development could be direct or indirect. On the contrary, reptiles exhibit internal fertilisation and direct development.

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