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Kate Hildenbrand
Marine Ecologist, Filmmaker, Photographer, and Educator.
Kate HildenbrandKate Hildenbrand
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Daily Archives: March 14, 2023

Sea urchins: Spiky balls of ouch

Climbing the Tree of Life, EpisodesBy Kate HildenbrandMarch 14, 2023

Introduction Sea urchins are essentially folded-up sea stars. Very poky folded-up sea stars with spikes poky enough that even I might consider putting some shoes on my feet. Maybe. Today, we’re finishing our exploration of the hedgehog-skinned echinoderms. Climbing up the Tree of Life one group at a time. Most sea urchins look exactly like…

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