MIRACLE OF NATURE
THAT AS SOON AS LIFE EXISTED,
IT BEGAN EVOLVING
Life arose between 4500 and 3500 million years ago. The first life forms could have remained as they were, perpetually feeding and reproducing. However, evolution began immediately.
Already between 3900 to 2500 million years ago the first organisms were using carbon dioxide as a carbon source and oxidizing inorganic materials to extract energy needed for living. By about 1850 million years ago, the first cellular organisms appeared containing membrane-bound organelles