Question

What is the difference between anisogamy and oogamy?

Answer 1

Anisogamy:

The sexual reproduction process, in which two different gametes(male and female) are fused together and produce gametes.

Oogamy:

It is a type of sexual reproduction in which two gametes are fused with different sizes and forms, for example- male gametes are small and motile, and female gametes are larger and non-motile.

Anisogamy	Oogamy
It is the fusion of the gametes with different sizes.	It is the fusion of the non-motile, large female gamate and motile, small male gamete.
It occurs in fungi, higher invertebrates, and vertebrates.	It occurs in some algae, plants, gymnosperms, animals etc.
Example: Ulothrix	Example: Sargassum