they have lots of similarities with humans (and lots of things that are different)!
For example: like us different crabs have different dietary preferences, sort of like favourite foods! Some females for example like more sea weed in their diet (I guess thats our equivalent of a salad), while many of the male crabs prefer meaty stuff like worms!
The have the same sensory organs (except for ears!) – they have eyes, they can smell (only that they can smell in the water!) and they have touch – they use their antenna instead of the skin! They have blood like we do, but theirs in blue and not red, and unlike us they have gills to get their oxygen from sea water !
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