Suck It, Sponges. Jellies Were the First Animals to Evolve.
SCIENCE Jellies or sponges? No, not the kitchen items—the animals. Maybe you haven’t been debating that last issue for decades, but evolutionary biologists have. Now one group says they’ve got an answer: It’s the jellies. For now. (Popular Science) Where are the jellies on the Tree of Life? Where are the sponges? Discussion Ideas A new study supports the placement of ctenophores, or comb jellies, … Continue reading Suck It, Sponges. Jellies Were the First Animals to Evolve.