"Same with birds -- who all look basically the same in a given population ."
"How something `` looks basically `` is basically irrelevant . How well a bird flies is very important . If a bird is born with feathers in the wrong position , it will probably not fly well and will have a much harder time evading predators ."
"who all look basically the same in a given population"
"How something `` looks basically `` is basically irrelevant ."