SEXUAL REPRODUCTION:ZYGOTE PRODUCTION
o In addaition to being able to reproduce asexually, the oedogonium is capable of reproducing sexually.
o In sexual reproduction ,the filament portion of the oedogonium, called the antheridium, produces and release sperm.
o The sperm sinks through the water until it meets the filament portion of the oedogonim,called the oogonium,oogonium, which contains alarge cell.
o If the sperm successfully fertilizes the egg, a zygote is produced.