Answer: Gaia hypothesis
Explanation: Gaia hypothesis conceived by a chemist James E. Lovelock and biologist Lynn Margulis was introduced in the early 1970s.
They hypothesis states that Earth and its biological systems behave as a huge single entity and that this entity has closely controlled self-regulatory negative feedback loops that keep the conditions on the planet within boundaries that are favorable to life.
This hypothesis has it that living organisms interact with their inorganic environment to form a working and self-regulating, complex system which makes life and conditions for life on earth to continue favourably and perpetually
