Explorations / The history of the cell / Part 7 of 7
The tree today
Animals fill the seas, plants and animals come ashore, and every living thing finds its place on one tree, with us on a late, short twig. 7 scenes.
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Part 1, A planet without life, is open to everyone.
- From about 539 million years agoThe Cambrian explosion
- From about 470 million years agoGreen land
- About 425 to 365 million years agoAnimals ashore
- TodayThe tree of life
- TodayWhere we sit
- The last 4.54 billion years, then the last 300,000How short our stretch is
- TodayOne family
Practise this 7.3Evidence for EvolutionBiology →7.4Common Ancestry and Phylogenetic TreesBiology →7.7SpeciationBiology →2.1The Cell Theory and MicroscopesBiology →2.2Prokaryotic and Eukaryotic CellsBiology →3.5The Electron Transport ChainBiology →
The history of the cell, in order
- A planet without life
- The first cells· locked
- Two kinds of simple cell· locked
- Oxygen changes everything· locked
- The cell that swallowed a bacterium· locked
- Many cells· locked
- The tree today
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