Not only did life originate on earth very early in its history as a planet, but for the first two billion years, Earth was inhabited solely by bacteria.


Microcosmos: Four Billion Years of Evolution from Our Microbial Ancestors (1986)

Lynn Margulis Quotes

Not only did life originate on earth very early in its history as a planet, but for the first two billion years, Earth was inhabited solely by...

Not only did life originate on earth very early in its history as a planet, but for the first two billion years, Earth was inhabited solely by...

Not only did life originate on earth very early in its history as a planet, but for the first two billion years, Earth was inhabited solely by...

Not only did life originate on earth very early in its history as a planet, but for the first two billion years, Earth was inhabited solely by...