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Their basic needs for survival and reproduction would be met, but Dr. Taylof believes the lives of those future generations would be meaningless without memories, imagination, and culture.
And then you have prokaryotes, like bacteria, that are hyperdiverse because most don’t rely on sexual reproduction.
Over time, it may be that there are certain mutations that later happen to improve one's ability for reproduction.
And as all of this happens in the surroundings of the organism, which may change any time, it’s their natural environment that "selects for" how successful a species is at reproduction.