What are Amphibians and Aves and give examples
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Answer:
Amphibians
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems.
Aves
(Science: ornithology, zoology) The class of vertebrata that includes the birds.
aves, or birds, have a complete double Circulation, oviparous, reproduction, front limbs peculiarly modified as wings; and they bear feathers. All existing birds have a horny beak, without teeth; but some mesozoic fossil birds (odontornithes) had conical teeth inserted in both jaws. The principal groups are: Carinatae, including all existing flying birds; ratitae, including the ostrich and allies, the apteryx, and the extinct moas; odontornithes, or fossil birds with teeth.
The ordinary birds are classified largely by the structure of the beak and feet, which are in direct relating to their habits. See beak, bird, Odontonithes.