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That's fun to think about, but Precambrian life was generally microscopic. Many impact craters across the world date from that era, so any extinctions they caus
by Tronno 3y ago
That's fun to think about, but Precambrian life was generally microscopic. Many impact craters across the world date from that era, so any extinctions they caused would not be visible to the naked eye.
- lostlogin 3y agoMaybe they would though? Individual bacteria aren’t usually visible to the naked eye, but they tend not to exists isolation. So maybe the immediate post impact world had less pond scum?
- 13of40 3y agoDuring a cave tour one time the guide told us that the darker strata in the marble(?) in the cave walls was from microscopic life in an ancient seabed, and the lighter ones were from periods of...not sure if extinction is the right word, but "less of it".