DeepTime - Origin of whole metabolism Origin of aerobic...

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Click to edit Master subtitle style Deepest Time and Biological History
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Great Eagle Nebula 7000 light years away
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Dust cloud of proto Solar system
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Earth’s surface about 4 billion years ago
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Important stages in origin of first “cells” A lot happened before the record of life really gets started
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Time line for major events in history of life
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Time line for major events in history of life
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Gelogical Time Scale
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Modern Stromatolites in Australia Origin of life bacteria Bacteria rule from then on!
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Gelogical Time Scale
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Euglena , a unicellular eukaryote Eukaryotes are probably derived from prokaryotes. They are MUCH more complicated – and bigger.
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One model for the origin on ER and internal membare systems Hypothetical Actually known Nitrobacter
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Early predator bacteria Ingestion and retention Ingestion and digestion Photosynthetic bacteria Proto chloroplasts
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Early predator bacteria Ingestion and retention Ingestion and digestion Aerobic bacteria Proto mitochondria
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Early predator bacteria
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Unformatted text preview: Origin of whole metabolism Origin of aerobic symbiosis Aerobic bacteria Cyanophora paradoxa – recent capture of mitochondrion? Gelogical Time Scale Sprigina , a Precambrian worm Dickinsonia , a Precambrian worm Gelogical Time Scale Burgess Shale (510 million year old) creature without modern descendents Trilobite, another extinct lineage that was abundant in early oceans Gelogical Time Scale Silurian sea scene Silurian swamp scene Gelogical Time Scale Devonian plant Psilophyton 370 Million Years Ago Gelogical Time Scale Dimetrodon – Permian “reptile” – ca. 250 MYA Gelogical Time Scale Some Cretaceous Dinosaurs Small Asteroid 65 MYA – The end of a long running play. Gelogical Time Scale Some Paleocene Creatures Gelogical Time Scale Indricotherium Eocene to Oligocene 2 Meters Gelogical Time Scale Smilodon californicus – saber-tooth cat from La Brea tarpit Pleistocene creatures that met people Gelogical Time Scale 1 2 3A 3B 3C now...
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This note was uploaded on 04/06/2008 for the course BIO 1102 taught by Professor Kendramaxwell during the Spring '08 term at Appalachian State.

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DeepTime - Origin of whole metabolism Origin of aerobic...

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