Gaia hypothesis

 

"The Earth System behaves as a single, self-regulating system with physical, chemical, biological, and human components."

the biosphere may multiply in the future by colonizing other planets, as humankind may be the primer by which Gaia will reproduce 

https://courses.seas.harvard.edu/climate/eli/Courses/EPS281r/Sources/Gaia/Gaia-hypothesis-wikipedia.pdf