Explain oviparous and viviparous.

Explanation

Oviparous animals : Oviparous animals are those animals which lays hard calcareous shelled eggs.
These eggs are laid at safer place in safe environment.
After proper incubation period young one are hatched out.
Examples : reptiles, birds etc.
Viviparous animals : These animals exhibit internal fertilization.
Development of young one is internal.
Young one developes inside the body of female.
After completion of gestation period female gives birth to young ones.