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History of Life on Earth Quiz

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Questions and Answers

What is the estimated number of species that Earth may have?

500 billion species

1 trillion species (correct)

10 trillion species

100 billion species

Where were possible 'remains of biotic life' found in 2015?

Antarctica

Sahara Desert

Western Australia (correct)

Greenland

When did Earth form?

2.8 billion years ago

4.5 billion years ago (correct)

3.7 billion years ago

5.2 billion years ago

What is the percentage of currently living species representing all species that have ever lived on Earth?

<p>Less than one percent</p> Signup and view all the answers

Where is the earliest evidence of life found?

<p>Western Greenland</p> Signup and view all the answers

History of Life on Earth Quiz

Choose a study mode

Podcast

Questions and Answers

What is the estimated number of species that Earth may have?

Where were possible 'remains of biotic life' found in 2015?

When did Earth form?

What is the percentage of currently living species representing all species that have ever lived on Earth?

Where is the earliest evidence of life found?

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