Does Spider Have A Backbone

Does Spider Have A Backbone? Spider Anatomy Unveiled 

No, spiders don’t have bones. They’re called invertebrates because they lack a spine. Instead of bones, they have an external skeleton, called an exoskeleton, which supports their bodies and protects their insides.  Further, Spiders are part of a big group of invertebrates, which includes insects, crustaceans (like crabs), mollusks, and worms. Not all invertebrates have…

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