In your own word describe what some of the earliest life forms were like

What were some of the earliest forms of life on Earth?
The first life forms were (3.8 to 2.5 billion years ago), the Archean Period and the world's landmasses began to form in the Archean Period. Earth's initial life forms were bacteria, which could survive in the highly toxic atmosphere that existed during this time. This was the best i could think of hope it helps.

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