Hermit crabs are omnivorous scavengers, eating microscopic mussels and clams, bits of dead animals ... stages before acquiring a shell of their own and coming back to land. Hermit crabs don ...
They're also some of the only animals that can breathe with their butts. You see, inside a turtle shell is a very particular respiratory system. Wojakowski: You will see the lungs towards the top ...
Most species, however, had coiled shells lined with progressively larger chambers separated by thin walls called septa. The animals constantly grew new shell material as they aged, but the their ...
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