Oysters have organs containing two sexes that can release both sperm and eggs in order to reproduce. Technically, this means that oysters can fertilize their own eggs. Once fertilized, millions of eggs are released into the water.
Oysters reproduce in a much different way than the regular birth process. Instead of the male meeting the female or the female carrying the eggs to term, oysters use external fertilization. External fertilization means that the female oyster releases...
Oysters reproduce in a way different from humans. When the temperature is right, the female oyster releases millions of eggs in the water. Then the male comes along and releases sperm. When the sperm penetrates the egg, fertilization occurs. You can find more information here: http://www.knysnaoysters.co.za/tidbits/mating.htm