“Echinoderm”? Hrm. What’s in a term? This spiny brittle star is here to help you learn: Echinoderms are sea stars, sea urchins, sand dollars, brittle stars, sea cucumbers and kin. “Echinoderm” translates to “hedgehog skin”—so they’re the ones with the spiky perm!
enhance eNHANCE ENHANC-oh no wait too far