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Origin of Life Greatest Hits

Origin of Life Greatest Hits. 4/1/09. Fig. 25-7. Ceno- zoic. Meso- zoic. Humans. Paleozoic. Colonization of land. Animals. Origin of solar system and Earth. 4. 1. Proterozoic. Archaean. Prokaryotes. years ago. Billions of. 3. 2. Multicellular eukaryotes. Single-celled

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Origin of Life Greatest Hits

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  1. Origin of LifeGreatest Hits 4/1/09

  2. Fig. 25-7 Ceno- zoic Meso- zoic Humans Paleozoic Colonization of land Animals Origin of solar system and Earth 4 1 Proterozoic Archaean Prokaryotes years ago Billions of 3 2 Multicellular eukaryotes Single-celled eukaryotes Atmospheric oxygen

  3. Fig. 25-4j Fossilized stromatolite

  4. Fig. 25-7 Ceno- zoic Meso- zoic Humans Paleozoic Colonization of land Animals Origin of solar system and Earth 4 1 Proterozoic Archaean Prokaryotes years ago Billions of 3 2 Multicellular eukaryotes Single-celled eukaryotes Atmospheric oxygen

  5. Fig. 25-9-1 Cytoplasm Plasma membrane DNA Ancestral prokaryote Endoplasmic reticulum Nucleus Nuclear envelope

  6. Fig. 25-9-2 Aerobic heterotrophic prokaryote Mitochondrion Ancestral heterotrophic eukaryote

  7. Fig. 25-9-3 Photosynthetic prokaryote Mitochondrion Plastid Ancestral photosynthetic eukaryote

  8. Fig. 25-9-4 Cytoplasm Plasma membrane DNA Ancestral prokaryote Endoplasmic reticulum Nucleus Nuclear envelope Aerobic heterotrophic prokaryote Photosynthetic prokaryote Mitochondrion Mitochondrion Ancestral heterotrophic eukaryote Plastid Ancestral photosynthetic eukaryote

  9. Fig. 25-7 Ceno- zoic Meso- zoic Humans Paleozoic Colonization of land Animals Origin of solar system and Earth 4 1 Proterozoic Archaean Prokaryotes years ago Billions of 3 2 Multicellular eukaryotes Single-celled eukaryotes Atmospheric oxygen

  10. Table 25-1a

  11. Fig. 25-10 500 Sponges Cnidarians Molluscs Annelids Chordates Arthropods Brachiopods Echinoderms Early Paleozoic era (Cambrian period) Millions of years ago 542 Late Proterozoic eon

  12. Fig. 25-14 800 20 700 600 15 500 Number of families: 400 Total extinction rate (families per million years): 10 300 200 5 100 0 0 Mesozoic Paleozoic Cenozoic Era Period E C Tr C O S D P J P N 200 145 65.5 0 542 488 444 416 359 299 251 Time (millions of years ago)

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