April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5...

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April 10 Lecture April 10, 2012

Transcript of April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5...

Page 1: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 2: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 3: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 4: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 5: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 6: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 7: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

Page 8: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

Page 10: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012

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0.5 0.4 0.3 0.2 0.1 0.0 0.6

Paleozoic Mesozoic Cenozoic

PHANEROZOIC

Drop in sea level due to plate tectonics ~ 50% extinction of animals & plants

Prevalent theories – causes of Phanerozoic extinctions

Drop in sea level due to glaciation ~ 50% extinction

Volcanic activity, formation of the supercontinent 70 – 90% extinction

Central Atlantic magmatic activity, global warming,

atmospheric CO2 extinction Asteroid-induced,

supercontinent breakup 70-90% extinction

Anthropogenic

Page 49: April 10 Lecture April 10, 2012 - California Institute …bi1/Bi1__Micro-_to_Macro-Biology...0.6 0.5 0.4 0.3 0.2 0.1 0.0 Paleozoic Mesozoic Cenozoic PHANEROZOIC Drop in sea level due

April 10 Lecture April 10, 2012

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April 10 Lecture April 10, 2012