- List three characteristics which help us to distinguish amphibians from pisces.
- Classify the following living organisms as cold-blooded and warm- blooded animals:
Shark, Lizard, Sparrow, Rohu.
- Following characteristics distinguish amphibians from pisces:
- Amphibians lack scales whereas skin of pisces are covered with scales.
- Amphibians have mucous glands.
- Amphibians have a three-chambered heart unlike pisces, their hearts have only two chambers.
Cold-blooded: Shark, Rohu, Lizard