Now however, a new mutation occurs which provides one of the lions with poinsonous claws. All things else being equal, or more or less equal, IE: same sperm count as they all are pretty much from the same genetic line, this lion with its mutation should reign supreme?
Reign supreme maybe until he goes to mate. Have you ever seen cats mate? I don't think the first male lion to develop poisonous claws would ever have a chance to pass on his genes. He'd be continually killing his potential mates.
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Asgara
"An unexamined life is not worth living" Socrates via Plato