Quote:
Originally Posted by Maritime Q-Scout
Perhaps it can, I'm no scientist, but I'm under the impression that if isolated species would evolve differently. You wouldn't have the exact same effect no?
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Species have evolved similar traits being isolated from each other, but evolving a trait and evolving a complex mechanism are 2 totally different things. A complex mechanism takes a very long time and is a collection of individually evolved traits. The chances of 2 organisms in isolation developing a series of traits that develop into a complex mechanism at the exact same time (right down to the month) would be astonomically rare.
A plant evolving a toxin to combat human impacts would not happen suddenly amongst several individuals. There would have been proto-versions. Similar to an eyeball... there were "proto-eyes" (collection of light sensitive cells) long before actual eyeballs existed.