Type | Character | Example |
Cyclostomata | ||
Gill respiration | ||
Amphibia | ||
Whale | ||
Poikilotherms |
Type | Character | Example |
Cyclostomata | Jawless mouth | Myxine |
Pisces | Gill respiration | Rohu |
Amphibia | lay eggs in water, external fertilization | Frog |
Mammalia | Homeotherms, presence of mammary glands | Whale |
Reptilia | Poikilotherms | Lizard |