Tag: early animals
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Ancient Signal Confirms What The Very First Animals Truly Looked Like
What the Question Was For decades, scientists have debated what the very first animals looked like. While fossils from soft-bodied organisms are rare, genetic analyses have pointed in two directions: either today’s demosponges (sponges) represent the closest living relatives of the first animals, or comb jellies (ctenophores) might fill that role. New research led by…
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Sea Sponges: Earth’s First Animals Revealed by MIT Study
Sea Sponges: Earth’s First Animals – What the New MIT Findings Suggest A team of MIT geochemists has sparked renewed debate about the origins of animal life by presenting evidence from some of the planet’s oldest rocks. In a study published today in the Proceedings of the National Academy of Sciences (PNAS), the researchers argue…