Question

state the reason why most of the terrestrial animals fertilisation takes place internally

Answer 1

It is quite simple terms and when it is terrestrial animals which released their presence of the eggs as well as the sperm in the part of the environment and sperm can never reach the eggs without medium to float.

On the other hand eggs and sperms will get destroyed by the sunlight in short timer.

Answer 2

Answer:

1. They produce fewer eggs.
2. They have a period of internal embryonic development(gestation period).
3. it prevents gametes from drying out.

HOPE IT HELPS :)