I assume by oyster you mean bivalve. Depends on the evolutionary path that particular oyster is part of.
"One question what have you been smoking how much is it and can I buy some?
You've just entered the realm of ignorance. If you have reached the end of rational argument and have to resort to personal attacks I'll assume you have no desire to learn and no capacity to debate.
Sorry for the intrusion KP.
s'okay - this thread needs to be archived in-toto for the amusement value alone