Question

Why do animals reproducing through external fertilisation generate gametes in a
large number?​

Answer 1

Answer:

To give birth

Explanation:

They generate gametes in a large no because we can't give surity that every gamete can geremenate .

some may die before germinating some may due to health reasons etc

Answer 2

Answer:

because there are mostly animals reproducing through external fertilization.in the external reproduction Male gamate and female gamate fuse together and forms embryo and later forms to zygote.in this process a single cell develops into no.of cells ,the new cells forms and produce into a baby.