Hermit crabs look WEAK / TOUGH
tough
Hermit crabs SOFT / HARD abdomen must be protected by a shell
soft
As they grow, Hermit crabs need to change their shell for a SMALLER / BIGGER one?
bigger
when a crab finds a shell, it checks it out, when it is TOO SMALL/ TOO BIG the crab SITS / STANDS and wait, sometimes up to 8 hours
too big ....sits
More crabs ARRIVE / LEAVE to check out the potential new shells.
arrive
20 crabs are lined up SMALLEST TO BIGGEST / BIGGEST TO SMALLEST
biggest to smallest
Everything happens VERY FAST / VERY SLOW
very fast
The crab sheds it shell and moves into the OLD / NEW one.
new
Each crab according to its size, moves out of its shell and into the LARGER / SMALLER one ahead of it .
larger
