In focus: What’s so great about echinoderms? These 9 facts will make them your new favorite animals.
John of the Freezers
This week’s post is from Liz Clark, PhD, a biologist/paleontologist at Yale University (New Haven, USA). If you would like to write for Anatomy to You, get in touch via Facebook or Twitter. Echinoderms are a group of invertebrates that include sea stars, sea urchins, sand dollars, sea cucumbers,...