Skin. It is excellent for tanning and then making clothes, shoes and bags.
Crocodiles have tough, scaly skin on their outer covering that helps protect them from their environment and predators. This skin is made up of keratin, the same protein that makes up human fingernails and hair. Crocodile skin also helps them regulate their body temperature and stay hydrated.
scute
what is seahorse outer-covering
no
The outer covering of the eyeball is cornea.
Amphibians do not have outer covering.
Bat is a mammal, so it's outer covering is hair whereas bird's outer covering is feather.
A seals outer covering is thick skin.
an ant's outer covering is their exoskeleton
Tonoplast is the outer covering of vacuole
Camels have hair as their outer covering.
The outer covering of a prawn in a shell.