4600 million years ago (4.6 billion years ago) Formation of Earth.

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Presentation transcript:

4600 million years ago (4.6 billion years ago) Formation of Earth

4500 million years ago (4.5 billion years ago) Accretion of Earth Formation of the Moon

4400 million years ago (4.4 billion years ago) Accretion of Earth

Earth separates into layers 4300 million years ago (4.3 billion years ago) Iron Catastrophe Earth separates into layers

4200 million years ago (4.2 billion years ago) Early Atmosphere No Life

4100 million years ago (4.1 billion years ago) Early Atmosphere No Life

4000 million years ago (4.0 billion years ago) Oldest Rocks on Earth

3900 million years ago Liquid Water Present Early Oceans Form (3.9 billion years ago) Liquid Water Present Early Oceans Form

First Bacteria (Prokaryotic) 3800 million years ago (3.8 billion years ago) First Bacteria (Prokaryotic)

3700 million years ago (3.7 billion years ago) Bacteria

3600 million years ago (3.6 billion years ago) Bacteria

Photosynthesis Produces Oxygen! 3500 million years ago (3.5 billion years ago) Stromatolites Cyanobacteria (aka blue green algae) Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 3400 million years ago (3.4 billion years ago) Stromatolites Cyanobacteria (aka blue green algae) Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 3300 million years ago (3.3 billion years ago) Stromatolites Cyanobacteria (aka blue green algae) Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 3200 million years ago (3.2 billion years ago) Stromatolites Cyanobacteria (aka blue green algae) Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 3100 million years ago (3.1 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 3000 million years ago (3.0 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2900 million years ago (2.9 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2800 million years ago (2.8 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2700 million years ago (2.7 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2600 million years ago (2.6 billion years ago) Stromatolites Cyanobacteria Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2500 million years ago (2.5 billion years ago) Stromatolites Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2400 million years ago (2.4 billion years ago) Stromatolites Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2300 million years ago (2.3 billion years ago) Stromatolites Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2200 million years ago (2.2 billion years ago) Stromatolites Photosynthesis Produces Oxygen!

Photosynthesis Produces Oxygen! 2100 million years ago (2.1 billion years ago) Stromatolites Photosynthesis Produces Oxygen!

First Pollution Crisis! Redbeds 2000 million years ago (2.0 billion years ago) Beginning of Oxygenated Atmosphere First Pollution Crisis! Redbeds Evidence of significant free oxygen

Oxygenated Atmosphere 1900 million years ago (1.9 billion years ago) Oxygenated Atmosphere Cyanobacteria still producing oxygen!

Oxygenated Atmosphere 1800 million years ago (1.8 billion years ago) Oxygenated Atmosphere Cyanobacteria still producing oxygen!

Single-celled Eukaryotes Appear 1700 million years ago (1.7 billion years ago) Single-celled Eukaryotes Appear Cells get a nucleus! Still Present:

Single-celled Eukaryotes 1600 million years ago (1.6 billion years ago) Single-celled Eukaryotes Still Present:

Single-celled Eukaryotes 1500 million years ago (1.5 billion years ago) Single-celled Eukaryotes Still Present:

Single-celled Eukaryotes 1400 million years ago (1.4 billion years ago) Single-celled Eukaryotes Still Present:

Single-celled Eukaryotes 1300 million years ago (1.3 billion years ago) Single-celled Eukaryotes Still Present:

Single-celled Eukaryotes 1200 million years ago (1.2 billion years ago) Single-celled Eukaryotes Still Present:

Single-celled Eukaryotes 1100 million years ago (1.1 billion years ago) Single-celled Eukaryotes Earth View Still Present:

Multicellular Organisms Appear 1000 million years ago (1.0 billion years ago) Multicellular Organisms Appear Marine Invertebrates Soft Bodies

Marine Invertebrates Flourish 900 million years ago Marine Invertebrates Flourish Still Present:

Marine Invertebrates Flourish 800 million years ago Marine Invertebrates Flourish Earth View Still Present:

Marine Invertebrates Flourish 700 million years ago Marine Invertebrates Flourish Earth View Still Present:

600 million years ago Ediacara Fauna Earth View Still Present:

500 million years ago Earth View 543 mya First Hard Parts (Shells & Bones) First Primitive Fish Life Migrates to Land 470 mya Earth View

438 million years ago Mass Extinction

Most life still underwater 400 million years ago Most life still underwater First Seed Plants First Amphibians Still Present:

367 million years ago Mass Extinction

Vast Coal Swamps on Land 300 million years ago Vast Coal Swamps on Land Origin of Many Animals amphibians, sharks, reptiles, insects Earth View

245 million years ago Mass Extinction 90 % of all species perish Earth View

Age of the Dinosaurs and Reptiles 200 million years ago Age of the Dinosaurs and Reptiles Plant Life: Ferns & Gymnosperms First mammals Earth View Still Present:

First Placental Mammals 100 million years ago First birds First Placental Mammals First Flowering Plants Still Present:

Extinction of the dinosaurs and others 65 million years ago Mass Extinction Extinction of the dinosaurs and others Earth View

65 million years ago to Present Day (0 mya) Dominance of flowering plants, insects mammals, and birds Earth View Humans 5 mya Still Present:

Geologic 24 hour clock http://serc.carleton.edu/details/files/32646.html http://serc.carleton.edu/details/files/32646.html

Picture Credits Smithsonian Institute Field Museum NASA University of California, Berkeley Museum http://rainbow.ldeo.columbia.edu/courses/v1001/7.html http://www.geol.umd.edu/~kaufman/ppt/chapter3/sld019.htm http://www.uta.edu/geology/geol1425earth_system/images/gaia_chapter_11/ArcheanLandscape.jpg http://www.uta.edu/geology/geol1425earth_system/1425chap11.html http://www.exhibits.lsa.umich.edu/Exhibits/Anthropology/Diaramas/Nat.Am./Copper/Copper.html