Biology · Origin of Life
What primary factor has challenged the traditional geological timeline regarding the origin of life on early Earth?
- 1The discovery of potentially biogenic carbon and geochemical traces in anomalously old rock specimens.✓
- 2The universal and absolute confirmation that no life could exist before 2.0 billion years ago.
- 3A complete rejection of the isotopic similarities between lunar and terrestrial crustal material.
- 4The sudden discovery of fully intact macro-fossils dating back to the formation of the solar system.
Correct answer
The discovery of potentially biogenic carbon and geochemical traces in anomalously old rock specimens.
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