12.1.2 Evidence for Life on early Earth: Stromatolites叠层石 Stromatolites:Fossilized microbial mats consisting of layers of filamentous prokaryotes and trapped sediments.叠层石：由丝状原核生物与层积物层积而 成的微生物化石 Ancient stromatolites were formed by filamentous phototrophic bacteria,perhaps relatives of the green nonsulfur bacterium chloroflexus.远古时期的 叠层石由丝状光合细菌组成，它们可能是绿色非硫菌 绿屈挠菌属的近亲 Chen Feng,Microbiology,Shanghai Jiao Tong University
Chen Feng, Microbiology, Shanghai Jiao Tong University 12.1.2 Evidence for Life on early Earth: Stromatolites 叠层石 Stromatolites: Fossilized microbial mats consisting of layers of filamentous prokaryotes and trapped sediments. 叠层石: 由丝状原核生物与层积物层积而 成的微生物化石. Ancient stromatolites were formed by filamentous phototrophic bacteria, perhaps relatives of the green nonsulfur bacterium chloroflexus.远古时期的 叠层石由丝状光合细菌组成, 它们可能是绿色非硫菌 绿屈挠菌属的近亲
The oldest known stromatolite-3.5billion years old (a) Stromatolites of conical shape-1.6 billion years old (b) 2012 Pearson Education,Inc
The oldest known stromatolite-3.5billion years old Stromatolites of conical shape-1.6 billion years old
Modern stromatolites in a warm marine bay Western Australia暖洋海港中的现代叠层石 (c) 2012 Pearson Education,Inc. (e) 2012 Pearson Education,Inc
Modern stromatolites in a warm marine bay , Western Australia 暖洋海港中的现代叠层石
Modern stromatolites composed of thermophilic cyanobacteria in Yellow Stone National Park由嗜热蓝细菌形成的现 代叠层石 (d) 2012 Pearson Education,Inc. about 2 cm high
Modern stromatolites composed of thermophilic cyanobacteria in Yellow Stone National Park 由嗜热蓝细菌形成的现 代叠层石 about 2 cm high
Fossil organisms-prokaryotes:a rock genic phototrophs,or filamentous sulfur chemolithothophs原核生物化石：岩生光合菌及丝 状化能无机自养硫细菌 (a) 2012 Pearson Education.Inc
Fossil organisms-prokaryotes: a rock genic phototrophs, or filamentous sulfur chemolithothophs 原核生物化石: 岩生光合菌及丝 状化能无机自养硫细菌