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Snow crabs are classified in the phylum of arthropodbecause they have a hard outer covering called an exoskeleton. This skeleton provides strength and protection. Arthropods also have segmented bodies, with paired legs on either side of their body.

Another reason, is because they have bilateral symmetry. This means that their bodies can be divided into two parts and will look exactley the same.

All arthropods will have a very simple nervous and sensory systems, but they're very efficient. If you try to swing at a fly, it reacts quickly because of it's good senses.

More than half of the world's species are arthropods, including Spiders, insects, and ,of course, snow crabs.

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13y ago

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