Question

Why is fertilization in birds is an example of internal fertilization and external development

Answer 1

This occurs in most mammals, some cartilaginous fish, and a few reptiles, making these animals viviparous. Internal fertilizationhas the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young

Answer 2

Explanation:

$\huge\mathtt\red{Answer}$

The fusion of competence and outside the body of an organism is called external fertilization .

Ex:- Frog.