5 types of adaptation could be; Shape e.g. shape of beak for cracking seeds Size e.g. bigger feet Diet e.g. changing what it eats Colour e.g. white fur in winter Sense e.g. better sense of smell
As far as I know there are only 3: The 1st keeps the eye moist, the 2nd is to clean the eye from various irratating objects, and the 3rd is the one that depends on feelings, which is used to...