A sea lily, feeding using outstretched arms. Museum, Field. “480-Million-Year-Old Fossils Reveal Sea Lilies’ Ancient Roots.” Phys.org, phys.org/news/2019-12-million-year-old-fossils-reveal-sea-lilies.html. ‌ Sea lilies…

If you enjoy spending time at the beach, you’ve most likely heard a great deal about jellyfish, but there is…