Scientific Frontline
A team of MIT #geochemists has unearthed new evidence in very old rocks suggesting that some of the first animals on #Earth were likely ancestors of the modern sea sponge.
#EarthScience #sflorg
https://www.sflorg.com/2025/09/es09292501.html
The first animals on Earth may have been sea sponges, study suggests

MIT researchers traced chemical fossils in ancient rocks to the ancestors of modern-day demosponges

Sep 29, 2025 at 7:29pmWeb