Question

write difference between internal and external fertilization with 2 example​

Answer 1

Internal fertilization:-

Fusion of male and female gametes takes place inside the body.A female partner lays fertilized eggs or a fully grown young One of spring have a high chance of survival.For example: cow, dog, humans, etc.

External fertilization:-Fusion of male and female gametes take place outside the body.The female partner lays unfertilized eggs.Offsprings have low chances of survival.for example fish frog etc..

Answer 2

Internal fertilization is the process when the syngamy (union of male and female gamete) occurs inside the female body after insemination using copulation. In contrast, External fertilization is the syngamy outside the female body, that is in the outer environment especially in water bodies