Oogamy always involves fertilization from gametes of differing sizes?

Question

True or False

Answer 1

It`s true!

Definition of oogamy:

having or involving a small motile male gamete and a large immobile female gamete

http://www.merriam-webster.com/dictionar...

If you are interested in more info:

http://en.wikipedia.org/wiki/Oogamy

Answer 2

Oogamy is the fertilization of a large non-motile egg by a smaller, motile sperm. So the answer is true.