A pivotal environmental crisis where oxygen produced by cyanobacteria accumulated in the atmosphere for the first time, which caused widespread oxidation of minerals and a mass extinction of anaerobic life.
the oldest known Fossilized evidence of life.
The last universal common ancestor is the most recent common ancestral cell population of all extant life on earth.
Photosynthesis evolved in bacteria, allowing for the production of oxygen.
The first surface water on earth was formed from the geologic composition of the Earth’s terrestrial formation rocks, allowing the planet's atmosphere to cool and be in a more stable state for life's origin.
The formation of microbial life on Earth from non-life, shortly after the creation of the Earth.
Volcanic outgassing created a reducing atmosphere.
The Earth formed into it's form due to Gravitational Accretion, being in a Circumstellar Habitable Zone, and through the Giant Impact Hypothesis.
We'd love to hear from you. Please send questions or feedback to the below email addresses.
Before contacting us, you may wish to visit our FAQs page which has lots of useful info on Tiki-Toki.
We can be contacted by email at: hello@tiki-toki.com.
You can also follow us on twitter at twitter.com/tiki_toki.
If you are having any problems with Tiki-Toki, please contact us as at: help@tiki-toki.com
Close