Earliest evidence for life on Earth
3.5 Ga microfossils from Apex Chert
3.5 Ga stromatolites in Warawoona
Stromatolites found throughout the Archaean.
Modern stromatolites: Shark Bay, Australia
Ancient Archean terrains
Origin of life on Earth
Cellular life-what is it, what does it do?
The old tree of life
The new 16S rRNA tree of life
Archaea, Bacteria, and Eucarya
Metabolism: Lithotroph, heterotroph, organotroph, phototroph, autotroph
