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Questions and Answers
When did the first living thing on earth, microbes found in stromatolites, appear?
When did the first living thing on earth, microbes found in stromatolites, appear?
3.7 billion years ago
What is the geological history of Earth?
What is the geological history of Earth?
Formation of earth – 4.6 billion years ago
Define microbes.
Define microbes.
A microbe, or “microscopic organism,” is a living thing that is too small to be seen with the naked eye and thus a microscope is needed to see them.
List some examples of microbes.
List some examples of microbes.
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When did the first Homo sapiens appear?
When did the first Homo sapiens appear?
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