Question

state difference between oviparous and viviparous?


class 12th CBSE Biology sample paper

Answer 1

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Answer 2

Oviparious :

1) these animals lay fertilised egg or unfertilized egg outside in environment.

2)The development of zygote into embryo takes place outside the female body.

3)Through female parent lays egg in safe place in the surroundings even chances of their survival are doubtful.

for  examples: Reptiles and Birds

Vivipoarous:

1)Egg remain inside the body and they give birth to Young ones.

2)The development of Zygote to Embryo occurs inside the body of Female.

3)female individual give birth to young once after attaining a certain maturity and growth. Hence, the chance of survival of young ones are more.

 for example Mammals including Human Beings.