List any two differences between pollination and fertilisation

List any two differences between pollination and fertilisation.

Difference between Pollination and Fertilisation:

Pollination Fertilization
It refers to transfer of pollen grains carrying male gametes from anther to pistil of a flower. It is of 2 types: (a) self pollination (b) cross pollination, It is union of male and female gamete to form a zygote. It of 2 types: (a) internal (b) external fertilization
It takes place by help of some agents like water, wind or animals etc. It takes place after pollination when pollen grain falls on stigma and forms a pollen tube to transfer male gamete into embryo sac in ovary.