Question
Differentiate between: Ovipary and Vivipary. Cite an example for each type.
✓
Answer
Based on whether the zygote develops outside the body of female parent or inside, animals can be classified into oviparous and viviparous, respectively.
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S. No.
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Oviparous animals
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Viviparous animals
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(i)
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Oviparous animals lay fertilized eggs.
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Viviparous animals give birth to young ones.
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(ii)
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The fertilized eggs have calcareous shell ans young ones hatch out after a period of incubation.
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The fertilized egg (zygote) has no shell and develops into a young one inside the body of the female organism.
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(iii)
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Chances of survival of young one is less as the female lays egg in the environment.
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Chances of survival of young one is more because of proper embryonic care and protection inside the mother's body.
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(iv)
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For example, reptile, birds, ets.
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For example, majority of mammals including humans.
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