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Evolution not just a theory
Miller-Urey, 1953 ,[object Object],[object Object]
Protenoids ,[object Object],[object Object],[object Object],[object Object],[object Object]
“ Self-Assembly” ,[object Object],[object Object],[object Object],[object Object]
Endosymbiont Hypothesis ,[object Object],[object Object]
Endosymbiont Hypothesis ,[object Object],[object Object],ribosome structure is different than the ribosomes of eukaryotes
Endosymbiont Hypothesis ,[object Object],[object Object],[object Object],ribosome structure is different than the ribosomes of eukaryotes
Endosymbiont Hypothesis ,[object Object],[object Object],[object Object],[object Object],ribosome structure is different than the ribosomes of eukaryotes
Endosymbiont Hypothesis (cont’d) ,[object Object]
Endosymbiont Hypothesis (cont’d) ,[object Object],cyanobacteria
Endosymbiont Hypothesis (cont’d) ,[object Object],cyanobacteria bacteria
Endosymbiont Hypothesis (cont’d) ,[object Object],cyanobacteria (autotrophs) bacteria (heterotrophs) Hypothesis :  chloroplasts and mitochondria are descendents of some kind of ancient bacteria
Sugar Rays: the evolution of photosynthesis ,[object Object],click the black box to begin movie
end of part 1
part 2
Darwin’s theory of evolution by natural selection
Overproduction populations tend to produce more offspring than are needed Variation individuals within a population vary in their phenotype and therefore their genotype Natural Selection some variants will be favored in a particular environment while others might be disfavored Evolution each new generation will contain proportionally more descendents from individuals with favorable characteristics
Individuals do NOT evolve!!! . . . but  populations  do.
 

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Evolution

  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 16. Darwin’s theory of evolution by natural selection
  • 17. Overproduction populations tend to produce more offspring than are needed Variation individuals within a population vary in their phenotype and therefore their genotype Natural Selection some variants will be favored in a particular environment while others might be disfavored Evolution each new generation will contain proportionally more descendents from individuals with favorable characteristics
  • 18. Individuals do NOT evolve!!! . . . but populations do.
  • 19.