Question

Explain the two types of fertilization.

Answer 1

Fertilization:
Fertilization in animals takes place in two ways. They are: External fertilization and Internal fertilization

1. External fertilisation:

1. It takes place outside the animal’s body.
2. It usually takes place in aquatic environments where both eggs and sperm are released into the water.
   Fertilization in frogs and fish takes place by this method.

2. Internal fertilisation:

1. Fertilization takes place inside the. animal’s body.
2. Internal fertilization takes place in animals like cats, dogs, cows, etc.