4.6 - 4 Billion Years Ago
The Origin of Earth
3.8 Billion Years Ago
First Life Appears. Simple celled bacteria producing oxygen, known as Prokaryotes
2.1 Billion Years Ago
Multicellular Life Evolves. First cells with organelles, known as Eukaryotes
2 - 1 Billion Years Ago
Eukaryotes evolved further creating organisms such as algae, seaweeds, sponges, jellyfish and worms
1 - 0 Billion Years Ago
Our species, Homo sapiens evolve
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