It was proposed by a scientist named Charles Darwin.
The surface area is 1,620
Its basically saying something (object) at rest is going to stay there until something moves it like an outside object.
The answer is; raccoons and rodents
Racoon will burrow in the soil or tree logs and form a den where they can litter. When threatened, the raccoon can retreat to its hideout or climb a tree. Rodents also scrawl the bottom of the forest finding food. They also love to burrow or hide in crevices of fallen tree trumps or rocks.