If a particular animal has a shelled egg, hair and teeth in a body and has chloaca, it may be a connecting link between

Options :
  1. Reptiles and birds
  2. Birds and mammals
  3. Reptiles and mammals
  4. None of above
Answer and Explanation :-

Answer: Option 3

Explanation:

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Previous Question : Choanocyte is the flagellated collar cell found as a lining of the internal cavities of the --------...

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