An exoskeleton? I think!
Exoskeleton.
Exoskeleton.
The outside of an egg is called the shell.
the shell
snail,turtle,clams,and mussel etc.
octopus & squids
Made of protein and called a capsid.
Made of protein and called a capsid.
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.
These animals are called invertebrates. Invertebrates have no backbone. Examples of invertebrates are insects.
white or some people call just call it the outside of the yoke THE SHELL.
The thin layer of tissue that covers the body of a mollusk is called the "mantle."
a shell