Arkæikum: Forskelle mellem versioner

Fossile rester af bakteriemåtter, [[stromatolit]]ter, er blevet fundet fra Arkæikum og nogle få formodede bakteriefossiler er fundet i Warrawoona, Australien, i [[flint]]. Det menes at [[liv]] var tilstede gennem hele Arkæikum, men sandsynligvis kun som simple encellede [[organisme]]r; [[prokaryot]]er.

 

 

==Eksterne henvisninger==

*[http://news.bbc.co.uk/1/hi/sci/tech/3321819.stm 17 December, 2003, BBCNews: Oldest evidence of photosynthesis] Citat: "..."What this demonstrates is that the Earth had a functioning [[biosfære|biosphere]] before 3.7 billion years ago," Professor Rosing told BBC News Online...If their findings are correct, life was very sophisticated, very early on in [[Jorden|Earth]] history," said Buick...But [[liv|life]] may be older and more robust than we thought..."

 

[[Kategori:Geologi]]