How long did life evolve in water before spreading onto land?
Understand the Problem
The question is asking about the duration that life existed in water before it transitioned to land. The options provided are different time spans, and the user is likely looking for a factual answer based on scientific knowledge regarding the evolution of life.
Answer
3 billion years
The final answer is 3 billion years.
Answer for screen readers
The final answer is 3 billion years.
More Information
Life is thought to have evolved for over 3 billion years in water before spreading onto land, beginning with simple single-celled organisms.
Tips
A common mistake is underestimating the time life spent evolving in water. Ensure to account for the earliest origins of life when calculating.
Sources
- How Life Made The Extraordinary Transition From Water To Land - medium.com
- Timeline of the evolution of life on Earth - New Scientist - newscientist.com
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