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History Timeline Flashcards

Topic:
Bacteria
Timeless ideas at the intersections of science, philosophy, critical thinking, and history.

A simple question, when?

Born, discovered, when did or will it, etc.

The K-Pg Extinction

66.04 million years ago (+/- 900 years).

Cause: Massive Meteor
Bacteria Story 
Evolution.

Mesozoic Era: Age of Dinosaurs

From 251.902 to 66.0 million years ago.

186 Million years: Dinosauria reigned from extinction to extinction.
Bacteria Story 
Evolution.

Snowball Earth: When Ice Reached the Equator

From 717 million years ago through 635.

Cause: Continental Drift, Falling CO₂
Bacteria Story 
Evolution.

Cenozoic Era: Age of Mammals & Birds

66.04 million years ago to the present.

66 Million years: From extinction to society.
Bacteria Story 
Evolution.
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