Amphibians do not have outer covering.
exskeleton
NO
skin
hair
A lot of animals have hard body covering which makes them hard to become prey. However, animals such as hippopotamus, rhinoceros, and elephants have a hard cover of skin on their body.
we identify them by their outer covering, behaviour and their stances
The outer shell on animals is called an exoskeleton. This exoskeleton is there because these animals do not have a spine like humans do, so they must have the shell to protect them from harm.
yeah if they have skin they have to have a outer covering or they will die from getting sick
Whale is a mammal hence its outer covering should be hair.
epithelial
what is seahorse outer-covering
fleas can only live om animals that have hair or fur or feathers. they use the outer covering of these animals for shelter.