For four - fifths of our history, our planet was populated by pondscum.
For four - fifths of our history, our planet was populated by pondscum. - J. William Schopf
- J. William Schopf
Given that evolution is a fact, this lack of evolution needs to be explained. - J. William Schopf
Given that evolution is a fact, this lack of evolution needs to be explained.
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