Sperm
the squids body is covered in a thin layer of sperm that helps it get away from its prey
what is seahorse outer-covering
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.
The outer covering of the grain is called Husk.
The outer covering of the grain is called Husk.