Ancient sea sponges in 541-million-year-old fossils could be Earth’s first animals even before dinosaurs |
For a long time, scientists have debated which animals first appeared on Earth and set the stage for the evolution of advanced life. A latest research by MIT geochemists presents compelling proof that the earliest animals weren’t dinosaurs or the bizarre creatures of the Cambrian explosion, however historical ancestors of at present’s sea sponges. These […]





