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Comb Jellies: First Animals to Evolve, Study Reveals

6/3/2025

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Story summary
  • UC Berkeley scientists have made a groundbreaking discovery, revealing that comb jellies, or ctenophores, are the first animals to evolve, overturning the long-held belief that sponges held this title. Their research, powered by comparative genomics, uncovers the ctenophores' complex traits, including nervous systems, hinting at a fascinating independent evolution of these features. This revelation transforms our understanding of the animal kingdom's origins.