Question
Differentiate between,
Ovipary and vivipary. Cite an example for each type.

Answer

 
Ovipary
 
Vivipary
i.
Oviparous animals lay fertilized or unfertilized eggs.
i.
Viviparous animals give birth to young ones.
ii.
The fertilized eggs remain covered by hard calcareous shell and laid in safe place in the environment. After a period of incubation young ones hatch out.
ii.
The fertilized egg (zygote) develop into a young one inside the body of the female organism.
iii.
Chances of survival of young ones is less as the female lay egg in the open environment.
iii.
Chances of survival of young one is more because of proper embryonic care and protection inside the mother’s body.
 
Examples: Birds and reptiles.
 
Examples: Most of the mammals like human, cow, lion, tiger, horse, rat, cat, dog, etc.

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