Pond Scum Explains Evolution Of First Animals

Originally published at: https://www.astrobio.net/origin-and-evolution-of-life/pond-scum-explains-evolution-first-animals/ Earliest animals evolved on seafloor microbial mats   When Charles Darwin wrote On the Origin of Species and for decades thereafter, scientists ascribed the beginning of animal life to the Cambrian, eventually pinned to about 540 million years ago when trilobites and other multicellular organisms emerged in a relatively short timeframe. … More Pond Scum Explains Evolution Of First Animals