Eons: The Cambrian Explosion to the Great Dying by Traci Cottrell https://padlet.com/tcottrell5/75mk73xb1new0mr3 en-us 2025-10-09 11:16:49 UTC 2025-10-10 12:55:51 UTC hello@padlet.com Has there been life on Earth since it formed 4. 5 billion years ago? Explain below. tcottrell5 https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625132982 2025-10-09 11:21:30 UTC https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625132982 What was the first form of life? tcottrell5 https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625133862 2025-10-09 11:22:10 UTC https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625133862 What is extinction? What caused some of the mass extinction events? tcottrell5 https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625148800 2025-10-09 11:34:44 UTC https://padlet.com/tcottrell5/75mk73xb1new0mr3/wish/3625148800