morphology of a cat
fur 
Hair covering the body, mainly for maintaining internal body temperature and providing protection from insect bites.
tail 
Terminal appendage of the body providing equilibrium when the cat jumps.
eye 
Organ of sight especially adapted to darkness; it mainly perceives light intensity, motion and certain colors.
ear 
Highly mobile organ of hearing, also contributing to equilibrium; cats have a highly developed sense of hearing.