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Origin and Evolution of Early Life on Earth
★OriginandEvolutionofEarlyLifeonEarth:ThePrecambrianevolutionaryhistoryoflifeaccountsforaboutsix-seventhsofthewholehistoryoflifeonearth.Aseriesof“milestone”eventsintheevolutionoflifeoccurredduringthisperiod,including:theoriginoflifeandtheestablishmentoftheoriginalecosystemat4.6-35billionyearsago;theformationoftheoxidizedatmosphereandtheemergenceofeukaryotesatabout2.5billionyearsago;theoriginandearlyradiationofmulticellularanimalsandmulticellularplants,theestablishmentandevolutionofcomplexecosystemsduringMesoproterozoicandNeoproterozoiceras.Multi-disciplinaryresearchaimsataholisticunderstandingofthetimesoftheiroccurrence,environmentalbackground,andtheprocessesinvolved.
2009-09-17
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Origin and Evolution of Early Life on Earth★OriginandEvolutionofEarlyLifeonEarth:ThePrecambrianevolutionaryhistoryoflifeaccountsforaboutsix-seventhsofthewholehistoryoflifeonearth.Aseriesof“milestone”eventsintheevolutionoflifeoccurredduringthisperiod,including:theoriginoflifeandtheestablishmentoftheoriginalecosystemat4.6-35billionyearsago;theformationoftheoxidizedatmosphereandtheemergenceofeukaryotesatabout2.5billionyearsago;theoriginandearlyradiationofmulticellularanimalsandmulticellularplants,theestablishmentandevolutionofcomplexecosystemsduringMesoproterozoicandNeoproterozoiceras.Multi-disciplinaryresearchaimsataholisticunderstandingofthetimesoftheiroccurrence,environmentalbackground,andtheprocessesinvolved.2009-09-17
Origin, Radiation, Extinction, and Recovery of life at Critical Intervals in the Geological History★Origin,Radiation,Extinction,andRecoveryoflifeatCriticalIntervalsintheGeologicalHistory:Thepatternsandenvironmentalcontextoftheorigin,diversification,extinction,andrecoveryofmajorgroupsoforganisms.2009-09-17