A rat is a rodent with a covering of fur (hair).
hedgehogsporcupinesechidnasthey're the only mammals I can think off
rat
the lower area(privets)
Yes, it is covered by fur.
mice
Nose, tail and paws.
mostly scales.
Bodies of water that Samuel champlain covered
The skin covering that a rat does have is a cartilage that is covered by fur. The fur helps the rat keep warm. The rats that live in areas that are very cold therefore have a lot of fur.
rabbies
Yes, the noun 'rat' is a common noun, a word for any rat of any kind, anywhere.
Their bodies are covered with fur.