Question

Which of the following are oviparous animals and which are viviparous animals?

Frog, Human being, Sparrow, Lizard, Cow, Dog, Hen, Fish, Butterfly, Cat.

Answer 1

Animals that lay eggs are called oviparous. In oviparous animals, fertilization takes place internally but embryo development takes place externally.

Animals that give birth to offspring are called viviparous. In viviparous animals, both fertilization, as well as the development of the embryo, takes place inside the female reproductive system

viviparous - human beings, cows, dogs, cats, etc.
oviparous - fish, frogs, hen, sparrow, lizard, butterfly