Earth as Living System

In support of the Gaia hypothesis, Margulis first put forward her creative theory of endosymbiosis. Endosymbiosis attempts to specify the relationship between organisms which live one within another in a mutually beneficial relationship with one serving as a host cell (the boss cell) and another the symbiont (the 

Lynn Margulis is a Distinguished University Professor at the University of Massachusetts. She has made original contributions to cell biology and microbial evolution to developing science teaching materials and hands-on garbage and trash projects in elementary schools. 

---