lecture pix on early evolution


 


Major events in the history of the Earth

The Miller-Urey experiment (spark gap apparatus that formed amino acids and other organic building blocks

Origin of the three domains from volcanic smokers.

Your friendly neighborhood black smoker. An extreme environment.

Yellowstone hot spring
wpeEA.jpg (33935 bytes)
Stromatolytes

Living and fossil cyanobacteria

Microfossils
wpeF1.jpg (12809 bytes)
Chemical fossils