Find out the correct sequence from below.
a. Fertilisation `to` zygote `to` blastula `to` morula `to` cleavage `to`gastrula
b. Cleavage `to` zygote `to` fertilisation `to` morula `to` blastula `to` gastrula
c. Fertilisation `to` cleavage `to` morula zygote `to` blastula `to` gastrula
d. Fertilisation `to` zygote `to` cleavage `to` morula `to` blastula `to` gastrula
e.Zygote `to` fertilisation`to` gastrula `to` cleavage `to` morula.

Explanation

d. Fertilisation `to` zygote `to` cleavage `to` morula `to` blastula `to` gastrula