And as they grow, they need to change their shell for a ____ one
smaller
bigger
More crabs ____ to check out the potential new shells, and if the shell is too big, the crabs line up and wait.
leave
arrive
What has to be protected?
The soft abdomen has to be protected.
In what order do hermit crabs line up to find the potential shell?
They line up from biggest to smallest hermit crab.
Twenty crabs are lined up ____, waiting for the just-the-right-size crab to appear.
biggest to smallest
smallest to biggest
What happens when Hermit crabs grow?
They need to change their shell for the bigger one.
When a crab finds a shell, it checks it out, when it is _____, the crab ____ and waits, sometimes up to eight hours.
too small/sits
too small/stands
too big/stands
too big/sits
How long does a hermit crab sit and wait to find the right-sized shell?
Sometimes, they wait up to eight hours for the right-sized shell.
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.
slow/new/smaller
slow/new/larger
fast/old/smaller
fast/new/larger
Hermit crabs look _____, but their _____ abdomen must be protected by a shell.
tough/hard
weak/soft
tough/soft
weak/hard