TST Trainer

Flashcards

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

About when did the Great Dying occur, the Permian-Triassic extinction event?

252 Million years ago.

Bacteria Story 
Evolution.
TST Trainer
(c) 2025-2026 TouchstoneTruth.
Writing and coding by Michael Alan Prestwood.
Scroll to Top