Since blue whales are mammals they have skin with tiny amount of hair.
Yes!
It depends on the classification of vertebrate.Mammals have a body covering of fur, skin or hair.Birds have a body covering of feathers.Reptiles have a body covering of scaly skin.Fish have a body covering of scales.Amphibians have a body covering of moist skin.
fish and shrimp
adadssas
a bluewhale
hello
Krill.
The body covering is molt I don't know what it is
Wallabies have a body covering of fur.
The body covering is fur.
A lion has a body covering of fur (hair).
A mole has a body covering of fur.