Question

What is fertilisation?

Answer 1

Fertilisation:

The fusion of a haploid male gamete (spermatozoa) and a haploid female gamete (ovum) to form a diploid cell, the zygote, is called fertilization.

Fertilisation is of two types:

External fertilisation:

1. This pattern is found in many aquatic animals.
2. Parents release sperms and eggs into the surrounding water, where fertilization occurs and zygote develops into offspring.

Internal fertilisation:

1. Sperms are passed from the male into the female with an intromittent organ.
2. The female reproductive tract provides a confined, protected place where the sperm and the egg can easily meet without the danger of being eaten up by a predator.