Question

Animals exhibiting external fertilization produce numerous gametes .justify with a reason from the one's given below.

1) the animals are small and want to produce more offspring.
2) food is available in plenty in water
3) to ensure better chance of fertilization.
4) water promotes production of numerous gametes​

Answer 1

Answer:

The external fertilisation is the process of fusion of male and female gametes outside the body or in outer environment. As animal releases gametes in the external environment, there are the minimum chances of fertilisation and thus, large number of male gametes are produced to ensure better chances of fertilisation

Answer 2

Answer:

the elements are and want to produce