1.

Difference between Oviparous Animals and Viviparous Animals.

Answer»
Oviparous AnimalsViviparous Animals
They ley fertilized or unfertilized egg.They give birth to young ones.
Fertilized eggs have calcareous shell.No calcareous shell 
Development of embryo outside female body.Development of embryo inside female body.
Less chance of survival.More chance of survival.
Eg. Reptiles and BirdsEg. Mammals



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