Pisces | Reptilia | Aves |
Aquatic habitat | Some terrestrial some aquatic habitat | Terrestrial habitat |
Cold blooded | Cold blooded | Warm-blooded |
Body covered with scales | Body covered with scales | Body covered with feathers. |
Respiration is by gills | Respiration is by gills | Respiration is by lungs |
Heart is 2 chambered | Heart is 3 chambered | Heart is 4 chambered |
Locomotion is through fins and tail | Locomotion is through fins and tail | Locomotion is through wings |
Example- Rohu, shark | Example- Snake, lizard | Example- Eagle, peacock |