Wisdom Builder
History Trading Cards
Topic:
Bacteria
Timeless ideas at the intersections of science, philosophy, critical thinking, and history.
MODE:
When
Stuff Happened
Blue-Green Bacteria (Not Algae)
Bacteria Evolution
2.65 Billion years ago (+/- 50 million years)
Bacteria
Timeline
Bacteria Diversify: Major modern phyla
Bacteria Evolution
~1.3 Billion years ago (+/- 200 million)
The ecological cast takes shape.
Bacteria
Timeline
First True Bacteria
Evolution
~3.7 Billion years ago (shortly after LUCA)
Peptidoglycan cell wall and Ester-linked lipids
Bacteria
Timeline
Great Oxidation Event: Third Atmosphere
Evolution
~2.4 Billion Years Ago
Cause: Cyanobacteria Produce Oxygen
Bacteria
Timeline
Bacteria Photosynthesis begins
Bacteria Evolution
~3 Billion years ago
Photosynthetic experiments
Bacteria
Timeline
Bacteria Aerobic metabolism expands
Great Oxidation Event
~2.2 Billion years ago (+/- 200 million)
Oxygen-respiring bacteria diversify
Bacteria
Timeline
The P-T Extinction
Evolution
251,902,000 years ago (+/- 900 years).
Cause: Massive Volcanic Eruptions in Siberia
Bacteria
Timeline
Prokaryotic Life
Evolution
3.73 Billion Years Ago (after LUCA)
Membrane and metabolic diversity.
Bacteria
Timeline