sentences:  An example of TAP can be compared to the theory of natural selection presented by Darwin in the section above.This means that if a certain species is "fitter" than the other species, then that fitter species is more likely to continue to adapt to future environmental situations.Lockhart, who refers to this phenomenon, suggests that if a rabbit and a koala were compared that a rabbit would thrive and survive in many environments whereas the koala has worked itself into a "narrow ecological niche".