Q. Ravi caught an animal and was confused with the phylum the animal belongs to. Help Ravi to identify the phylum based on his observation of the animal which had four feet, three chambered heart, lacked scales, had mucus glands on the surface. The animal belonged to

A
Amphibia
B
Reptilia
C
Mammalla
D
Aves
Solution:

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians are all Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems

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