Lists the stages in the development of the earth and the formation of life on earth Lists the stages in the development of the earth and the formation of life on earth Solution Earth is the only habitable planet in our solar system known so far and the process of development of the Earth play an important role in sustaining life on Earth. Many theories exist which debate on the formation of Earth. But the most plausible theory is the core accretion theory. The development of the Earth was accompanied by immense geological changes which gradually gave rise to life on this planet and eventually evolution took place. Stages in the development of the Earth Formation of life on Earth.