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Option 1 : Pigeon
Animals from class Aves are warm-blooded.
- Aves class represents birds and their characteristic features are feathers, a beak, and the forelimbs are modified into wings.
- They are warm-blooded animals i.e. they will be able to maintain constant body temperature.
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Pisces |
These are the gill-bearing vertebrates which lack limbs with digits. They are the aquatic craniate animals generally called fishes. |
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Reptilia |
These are the tetrapod vertebrates which may either have four-limbs or they are descended from four-limb ancestors like snakes. |
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Amphibia |
Amphibians can live in aquatic as well as in terrestrial habitats and most of them have two pairs of limbs. |
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