It is twisted to create a greater surface area for digesting and to increase the nutrient absorption.
noe ten tendip erioa gracs
Predators and prey are both in a constant struggle for survival, foxes with bigger ears tend to catch more mice, and live longer, because of this, foxes with smaller ears don't live as long, pretty soon all foxes have larger ears. The same goes for prey, Mice with padded feet live longer due to the foxes having more trouble hearing them, pretty soon all mice have padded feet, and the cycle continues.
They spread into the surrounding area
The fly lays eggs, which turn into maggots. "Maggot" is another word for larva. After a pupal stage, maggots turn into flies.