How do sea spiders distribute nutrients throughout their bodies?

If anyone has ever come upon a sea spider you immediately think – where are its guts and stuff? huge-sea-spiderThe answer is that their stomach, intestines and reproductive parts are housed within the sea spider’s legs. The animal breathes and manages waste by direct diffusion along the surface of it’s bodies. They can be a foot across – but, most types are barely more than 0.05 of an inch across! They do have a global distribution.

Sea spiders are not in the same exact family as other spiders. However, the sea spiders and terrestrial spiders are in a class together…along with one other creature, Horseshoe Crabs! Yup, horseshoe crabs are more directly related to spiders than other types of crabs.

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