Question

WHAT is fertilisation ​

Answer 1

Answer:

fusion of male and female gametes...

Explanation:

hope this helps u

Answer 2

It is basically sex that male and female do it

Male has penis and female has vagina

So the male one inserts the penis inside the female ones vagina and sperms are produced from male and the sperms goes inside the female vagina then from female has a reproductive part called ovary, so from ovules are produced and then ovum and sperm fuses.