Treeshrews, colugos, hyraxes, some primates and some African antelopes have a special physical adaptation, mainly used for grooming and referred to as what?
Toothcomb The toothcomb is a group of teeth, usually with fine spaces between the teeth, at the front of the lower jaw. It is primarily used for grooming but can also serve for getting food or gouging bark.
What physical adaptation particularly distinguishes the large and critically endangered Titicaca water frog (Telmatobius culeus)?
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
