5 Questions
What is the estimated number of species that Earth may have?
1 trillion species
Where were possible 'remains of biotic life' found in 2015?
Western Australia
When did Earth form?
4.5 billion years ago
What is the percentage of currently living species representing all species that have ever lived on Earth?
Less than one percent
Where is the earliest evidence of life found?
Western Greenland
Test your knowledge about the history of life on Earth, including the emergence of life, the evolution of organisms, and significant milestones in the development of life forms.
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