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Find out the false statement:

A. Aves are warm-blooded, egg-laying and have four-chambered heart 

B. Aves have a feather covered body, fore limbs are modified as a wing and breathe through lungs 

C. Most of the mammals are viviparous 

D. Fishes, amphibians, and reptiles are oviparous

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Though most of the fishes, amphibians, and reptiles are oviparous there are a few exceptions to this. There are a few fishes, amphibians and reptiles which are viviparous. 

  • Sharks, stingrays, eagle rays, and giant rays are viviparous fish. 
  • Few species of frogs, toads, and salamanders are viviparous.
  • Skink, a type of lizard is also viviparous

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