Rodinia

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21 09, 2017

What is plate tectonics? Earthquakes and volcanoes

By |2019-08-16T08:59:53-07:00September 21st, 2017|Geology|0 Comments

Plate tectonics: The world as seen from space (flattened out) The continents move around When you look at a map of the world, it seems as though it was always like that - North America on top of South America, Europe north of Africa, Australia off at the bottom right. But really all of the dry land on Earth moves [...]

24 06, 2017

Proterozoic Eon – eukaryotes to worms

By |2018-04-21T11:56:39-07:00June 24th, 2017|Biology, Geology|0 Comments

Two and a half billion years ago, the Archaean Eon ended and the Proterozoic Eon began. Trillions of prokaryote cells lived in Earth's oceans. Some of these cells could photosynthesize their energy from sunlight, water, and carbon dioxide. These photosynthesizing cells pooped out a lot of oxygen. By about 2.3 billion years ago, the iron [...]