Hermit crabs look _____, but their _____ abdomen must be protected by a shell.

And as they grow, they need to change their shell for a ____ one

More crabs ____ to check out the potential new shells, and if the shell is too big, the crabs line up and wait.

Everything happens very ___. The crab sheds its shell and moves into the ___ one and each crab, according to its size, moves out of its old shell and into the ____ one ahead of it.

When a crab finds a shell, it checks it out, when it is _____, the crab ____ and waits, sometimes up to eight hours.

In what order do hermit crabs line up to find the potential shell?

What has to be protected?

How long does a hermit crab sit and wait to find the right-sized shell?

Twenty crabs are lined up ____, waiting for the just-the-right-size crab to appear.

What happens when Hermit crabs grow?