Unformatted text preview: utotrophic hypothesis Life from the depths
12 Figure 26.1 Some major episodes in the history of life 13 What was the early earth like? fundamental characteristics “reducing” atmosphere high temperatures high 14 A painting of early Earth showing volcanic activity and photosynthetic prokaryotes in dense mats Figure 26.0 A painting of early Earth showing volcanic activity and photosyn prokaryotes in dense mats (Campbell & Reece) 15 Figure 26.10x Lightning 16 Testing the spontaneous Testing origin hypothesis origin What kinds of molecules might have been produced on the early earth? Miller-Urey experiment 17 Testing the spontaneous origin hypothesis 18 characteristics of life origin of life evolution of cells earliest cells classification of life 19 Evolution of early cells Theories about the evolution of cells bubbles bubbles 20 characteristics of life origin of life evolution of cells earliest cells classification of life 21 The Earliest Cells Earliest evidence of life microfossils Living cyanobacteria Martian microfossil? Mic ro fo s s ils f...
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- Winter '08
- Bacteria, earliest cells, Taxonomic Hierarchical Hierarchical