Shell
Definition 1 of 6
Pro Tip 1/2
Animal Protection
The shell of certain animals acts as a protective barrier against predators and environmental dangers. The turtle's shell protects its soft body from harm.
Pro Tip 2/2
Not Always Visible
Some animals can retract into their shells, which might make them less noticeable. This is a defense tactic. When scared, the hermit crab withdraws into its shell.