Title |
Comment |
Keywords |
Change in Environmental Conditions
|
04:59 - 06:49 (01:50) / 2.8 MB
|
"Stanley Aramic", fossil, "Alexander Hills", "Eastern California", stromatolite, "sedimentary rock", environment, sand, cyanobacteria, "rate of sedimentation", deposition, precipitation, "calcium carbonate", "Crystal Spring Formation"
|
Mass Extinction Survivors
|
13:02 - 13:58 (00:56) / 0.8 MB
|
"Stanley Aramic", extinction, Paleozoic, Mesozoic, environment, fossil
|
Punctuated Equilibrium
|
23:55 - 25:29 (01:34) / 2.5 MB
|
"Stanley Aramic", "Charles Darwin", evolution, fossil, "intermediate species", "punctuated equilibrium", environment
|
Geology School Keywords
|