Animals' Body Covering

What do you call the group of animals that are covered with hair or fur?

What do you call the body covering that looks like  small plates either smooth, dry or wet that protect the animals' skin?

What do you call the Salamander's and a newt's soft, moist body covering?

What animals have mainly skin and less hair as their body covering?

What do you call the body covering that keep birds warm and help them fly?

What do you call the group of animals that are covered with feather?

What body covering insulates animals to keep them warm and dry?

What body  covering acts like armor to protect the animals' soft body from predators?