Viviparous Animals | Oviparous Animals |
Animals that give birth to young ones are known as viviparous animals. | Animals that lay eggs outside their body are known as oviparous animals. |
The development of embryos takes place within the mother's body from where the embryo gains nourishment. | The development of embryo does not takes place within the mother's body. |
Example includes humans, certain fishes, etc. | Example includes frogs, chickens, butterfly, etc. |