Question

Though hen and frog both are oviparous but they have different types of fertilisation. Justify.

Answer 1

Answer:

Hens are oviparous in which internal fertilisation takes place. The fertilised egg develops into an embryo inside the body. Frogs are oviparous in which both fertilisation and development of zygote to embryo and young ones occurs outside the body

Answer 2

Answer:

The fertilised egg develops into an embryo inside the body. However, the development of chick from the embryo takes place outside the body. Frogs are oviparous in which both fertilisation and development of zygote to embryo and young ones occurs outside the body

Explanation: