How Did Multicellular Life Evolve
Moffet Field CA (SPX) Feb 26, 2015 - Scientists are discovering ways in which single cells might have evolved traits that entrenched them into group behavior, paving the way for multicellular life. These discoveries could shed light on how complex extraterrestrial life might evolve on alien worlds. The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed ... more
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