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प्रश्न
Answer the following question.
Pinna is part of the external ear and it is found in mammals. Do aves and reptiles show external ear in any form?
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उत्तर
No, Aves and Reptiles do not show external ear in any form. They possess tympanum which represents the ear.
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Identify the animal given in the picture and write features of its phylum/class.

