for just about every animal before humans life is a constant competition between predators and prey. the predators need to get better at killing, and the prey needs to get better at avoiding. humans don't count because we don't have predators anymore.
Environmental change and variation :)
Not only can aliens evolve into different species but they can make us into a new species but they may only do that with the correct technology. So the question is how will they do it and how much time will they have?
evolution.
This is an occurrence of co-evolution of the two species.
Evolve
Species evolve gradually.
If there is multiple environments and competition for food, there will be more species development.
Over time species evolve into new species.
No, he recognised that species evolve into new species.
Called coevolution.
it evolves togepi
evolve