[ColdWater]

The theory (as this part of it was taught back in my day) was that the new species being more effective than the one it just ‘descended from’ therefore would out-compete for the same resources and push the old species into extinction.

If you knew anything about evolution you would know that our ancestors ARE all extinct.

[valkyry1]

I know plenty about the theory of evo, and my ancestors are perished not extinct than you.