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2. Timeline of the evolutionary history of life - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_the...

   The first known mass extinction was the Great Oxidation Event 2.4 billion years ago, which killed most of the planet's obligate anaerobes. Researchers have identified five other major extinction events in Earth's history, with estimated losses below: [11] End Ordovician: 440 million years ago, 86% of all species lost, including graptolites

3. Timeline of human evolution - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_human_evolution

   The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.

4. History of life - Wikipedia

   en.wikipedia.org/wiki/History_of_life

   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. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...

5. All Life on Earth Comes From One Single Ancestor. And ... - AOL

   www.aol.com/life-earth-comes-one-single...

   While the Cambrian Explosion kickstarted complex life in a major way some 530 million years, the true timeline of life on Earth is much longer. For years, scientists have estimated that LUCA ...

6. Timelines of world history - Wikipedia

   en.wikipedia.org/wiki/Timelines_of_world_history

   These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day. For events from c. 3200 BC – c. 500 see: Timeline of ancient history; For events from c. 500 – c. 1499, see: Timeline of post-classical history; For events from c. 1500, see: Timelines of modern history

7. All Life on Earth Comes From One Single Ancestor—and ... - AOL

   www.aol.com/lifestyle/life-earth-comes-one...

   While the Cambrian Explosion kickstarted complex life in a major way some 530 million years, the true timeline of life on Earth is much longer. For years, scientists have estimated that LUCA ...

8. Nickelback Might Be the Reason We Have Life on Earth - AOL

   www.aol.com/lifestyle/nickelback-might-reason...

   Nickelback may be part of the reason we have life on Earth. Now, the researchers weren’t just super into late-90s Canadian hard rock—there’s a scientific reason behind the moniker.

9. List of decades, centuries, and millennia - Wikipedia

   en.wikipedia.org/wiki/List_of_decades,_centuries...

   List of timelines; Chronology; See calendar and list of calendars for other groupings of years. See history, history by period, and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang, Geologic time scale, Timeline of evolution, and Logarithmic timeline