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Question

Are Chondrichthyes cold-blooded?


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Solution

Chondrichthyes:

  1. The class Chondrichthyes comprises carnivorous marine fishes.
  2. Example: stingrays, electric rays, sharks, etc.
  3. They are vertebrates. Their endoskeleton is made of cartilage.
  4. Chondrichthyes are known as cold-blooded animals.
  5. They are unable to regulate their internal body temperature. Their surroundings regulate the temperature of the body. Such animals are called poikilothermous organisms.

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