To protect itself from predators or the elements (strong sunlight or rain) while it grows into an adult insect
There are not any adult moths that have a hard outer shell. However, a pupa from the Gypsy Moth do have a hard outer shell for protection until it hits adulthood.
No; the shell grows as part of the snail.
yes. their shell gets darker as it grows
Soft shell crabs are soft and are eaten with the entire crab. Soft shell crabs are actually hard shell crabs that have shed their shells to allow for growth. Shells do not grow with the crab. Crabs retain a soft shell when they shed their hard shells; then that soft shells begins to harden-up as the crab grows.
yes the shell grows
no it can not. the shell grows with it
The oldest part of a snail's shell is the center of the coil. When the snail grows, it grows outward
The bedbug's body has a hard shell that doesn't grow. When the bedbug grows it sheds it's shell, which is also why you can find light shells along with the dark spots (the poo/your blood).
The bedbug's body has a hard shell that doesn't grow. When the bedbug grows it sheds it's shell, which is also why you can find light shells along with the dark spots (the poo/your blood).
no it grows with them
it grows