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

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#1
  1. List three characteristics which help us to distinguish amphibians from pisces.
  2. Classify the following living organisms as cold-blooded and warm- blooded animals:
    Shark, Lizard, Sparrow, Rohu.

Answer:

  1. 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.
  1. Cold-blooded: Shark, Rohu, Lizard
    Warm-blooded: Sparrow