Name the five classes of vertebrates. Compare any two on the basis of their $(i)$ Habitat,$(ii)$ Covering of skin,$(iii)$ Respiratory organs,$(iv)$ Chambers of heart,and $(v)$ Reproduction.
(N/A) The five classes of vertebrates are: $Pisces$,$Amphibia$,$Reptilia$,$Aves$,and $Mammalia$.
Comparison between two classes (e.g.,$Pisces$ and $Mammalia$):
Comparison between two classes (e.g.,$Pisces$ and $Mammalia$):
| Basis of Comparison | $Pisces$ | $Mammalia$ |
|---|---|---|
| $(i)$ Habitat | Aquatic | Mainly terrestrial |
| $(ii)$ Skin Covering | Scales | Hair |
| $(iii)$ Respiratory Organs | Gills | Lungs |
| $(iv)$ Heart Chambers | $2$ chambers | $4$ chambers |
| $(v)$ Reproduction | Lay eggs in water | Give birth to young ones |
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