classof202211 classof202211

16-02-2021
Biology

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What makes echinoderms unique to all other animals? (think of systems/structures they
have that no other animal has!)

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achitwood achitwood

16-02-2021

Although these spines may look like components of an exoskeleton at first glance, echinoderms do not have an exoskeleton. This is partly due to their symmetry and their spiny endoskeleton.

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