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Date: 2,500,000 BC
What is beleived to be the first fossil bacteria, start showing up on earth. This is the first major event in the creation of life. -
Date: Somewhere between 3,500 million years ago to 1,000 million years ago.
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This is where water came in to being on the earths surface. Photosynthesis is what brought water to earth.
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Date: 1,500 million years ago
The first eukaryotes started to apperar in the oceans of earth. This would later lead to the creation of animals and plants as well as life on land. -
Date: about 700 million years ago
Finally the first multicellular oganisms emerge from the oceans of earth. This is a major evolutional step in the creation of life. -
Date: 1,000 million years ago
Protists branched out from the first eukaryotes and became their own category. They are still living underwater at this point, and undergoing photosynthesis. The photosynthesis aids in the process of creating oxygen. -
Date: about 600 million years ago to 500 million years ago
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Date: 510 to 500 million years ago
This is the origin of where all the animal phyllums started to speciate. -
Date: 510 million years ago
The first jawless fish appear. They are able to slither through the water and this shows the first sign of evolution of limbs. -
Date: 500 million years ago to 540 million years ago
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Date: 440 million years ago
This is the first mass extinction where all the animals and other organisms are wiped out. Life now must start again. -
Date: 445 to 405 million years ago
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Date: 430 million years ago
Land has a new friend: the plant. Plants as well as arthropods start to take their rightful place on land. -
Date: about 407 to 360 million years ago
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Date: 400 million years ago
The first bony fishes have now started to spread throughout the entirety of earths oceans. This will eventually evolve into animals with backbones. -
Date: 370 million years ago
The first amphibians evolve from the first bony fish. Amphibians are now on land. -
Date: 360 million years ago
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Date: 360 million to 280 million years ago
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Date; 350 million years ago
The first reptiles started to evolve out of the earlier amphibians and now are leaving the oceans. They can lay their eggs on land now as opposed to laying them in the water. -
Date: 290 to 250 million years ago
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Date: 240 million years ago
The first dinosaurs and mammals start showing up on land evolved from the previously existing reptiles and amphibians. -
Date: 250 to 210 million years ago
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Date: 200 million years ago
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Date: 200 to 150 million years ago
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Date: 200 to 150 million yeasr ago
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Date: 150 to 70 million years ago
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Date: 120 million years ago
The appearance of what is beleived to be the first flowering plants occured. -
Date: 70 million years ago
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Date: 60 to 5 million years ago
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Date: 60 million years ago
Birds and mammals have now evolved enough to the point whwere thay can start to spread and populate the earth. -
Date: 20 million years ago
Mammals have now become abundant and have spread throughout the planets ecosystems. -
Date: 9 million years ago to present
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Date: about half a million years ago
