The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day.

The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence, mainly fossils.

2025年1月12日 · Life - Evolution, History, Earth: The evidence is overwhelming that all life on Earth has evolved from common ancestors in an unbroken chain since its origin. Darwin’s principle of evolution is summarized by the following facts.

In this article, we’ll outline the timeline of life on earth. Our planet’s evolution started with the first organism ever to call our planet home. What was the first form of life on Earth? The timeline of life on earth begins over 4.5 billion years ago. In the beginning, survival was difficult for any life forms.

2024年10月31日 · Learn what fossil evidence reveals about the origins of the first life on Earth, from bacteria to animals, including the phyla we know today.

2020年1月2日 · Let's go over the history of life on Earth including when it first arose, early theories of how living things evolved, the origin of life through the eons and how we got to where we are today. The timeline of the Earth is broken up into chunks of time called "eons."

2009年7月14日 · Life Timeline: The evolution of life. The story of evolution spans over 3 billion years and shows how microscopic single-celled organisms transformed Earth and gave rise to complex...