Hovedindhold

Historien om livet på Jorden

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Jordens dannelseLivets begyndelserOrigins of lifeHypotheses about the origins of life
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Ozonlaget og eukaryoter dukker op i æonen ProterozoikumDe første levende ting på jorden uddybningBiodiversiteten blomstrer i æonen PhanerozoikumOversigt over menneskets evolution
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Chronometric revolutionCarbon 14 dating 1Kulstof 14 datering 2Kalium-argon (K-Ar) dateringBeregning for K-Ar dateringAtomic number, atomic mass, and isotopes

Om dette emne

Our planet has an amazing history spanning about 4.5 billion years! Learn more about how Earth formed, the early history of life on Earth, and the origins of humans.
Biology is brought to you with support from the
Amgen FoundationAmgen Foundation