Reptiles outer covering tends to be made of scales: snakes, crocodiles and alligators, and so on.
what is seahorse outer-covering
The outer covering of the eyeball is cornea.
Amphibians do not have outer covering.
Anacondas are reptiles. All reptiles have a covering of scaly skin. They do not actually have individual scales like fish do.
Brachiosaurus had scaly skin covering its body, similar to the texture of modern-day reptiles. However, the exact color or pattern of its skin is unknown as skin pigments do not preserve in the fossil record.
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
Camels have hair as their outer covering.
Tonoplast is the outer covering of vacuole
The outer covering of a prawn in a shell.
The outer covering of the grain is called Husk.