https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6 Made with an aura of mystery en-us 2022-01-24 14:30:32 UTC 2025-11-29 20:25:28 UTC hello@padlet.com https://padlet.net/icons/png/1f996.png 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008945483 4600 MYA ; Precambrian (Hadean, Archean, & Proterozoic Ages)
-no life form possible ]]> 2022-01-24 14:47:41 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008945483 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008957282 540 MYA ; Cambrian 
-explosion of life 
-all existing phyla came into being here
-life forms in warm seas as oxygen levels rose enough to support life
-dominant animals: trilobites and brachiopods

]]> 2022-01-24 14:52:15 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008957282 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008978098 490 MYA ; Ordovician
-first animals with bones appear 
-dominant animal; marine
invertebrates including corals and trilobites]]> 2022-01-24 14:59:23 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2008978098 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011306088 443 MYA ; Silurian
-extensive erosion 
-first land plants appear, and land animals follow]]> 2022-01-25 14:31:29 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011306088 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011326940 417 MYA ; Devonian
-domiant animals: fish 
-amphibians, evergreens, and ferns appear]]> 2022-01-25 14:39:13 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011326940 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011344207 354 MYA ; Mississippian 
-first seed plants appear 
-sea life flourishes including 
. coral
. brachiopods 
. blastoids 
. bryozoa ]]> 2022-01-25 14:45:25 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011344207 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011348041 320 MYA ; Pennsylvanian 
-great swamps develop
-reptiles develop from amphibians 
-flying insects appear]]> 2022-01-25 14:46:49 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011348041 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011371829 290 MYA ; Permian
-pangea forms 
-appalachians rise 
-90% of earth's species become extinct, including trilobites, blastoids, fish and amphibians because of heavy volcanism in siberia ]]> 2022-01-25 14:55:17 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011371829 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011383322 248 MYA ; Triassic 
-pangea begins to break 
-rocky mountains & Sierra Nevada form
-first dinosaurs, mammals, and modern echinoids appear]]> 2022-01-25 14:59:33 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2011383322 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015809294 206 MYA ; Jurassic 
-North America continues to rotate away from Africa 
-first birds appear
-golden age of dinosaurs]]> 2022-01-27 13:19:22 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015809294 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015809781 144 MYA ; Cretaceous 
-mass extinction occurs at the end of the period caused by a meteorite impact (Dinosaurs, ammonites, and 25% of marine life become extinct) 
-T-rex develops but number of dinosaur species decline
-snakes appear and first primates appear 
-angiosperms appear]]> 2022-01-27 13:19:39 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015809781 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015998790 65.0 MYA ; Paleocene
-first horses appear (size of cat)
-tropical plants dominate ]]> 2022-01-27 14:41:18 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2015998790 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016011359 54.8 MYA ;  Eocene 
-sea levels rise; deposits of marine sediments- limestone in S.C; land bridges form
-grass spreads widely
-diverse array of animals develop, including whales, rhinos, and elephants ]]> 2022-01-27 14:46:23 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016011359 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016041964 33.7 MYA ; Oligocene 
-appalachians uplift; erosion increases 
-cats, dogs, and apes appear

]]> 2022-01-27 14:59:13 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016041964 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016089496 23.8 MYA ; Miocene 
-horses, mastadons, mammoths, tigers, and camels live in South Carolina]]> 2022-01-27 15:17:54 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016089496 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016107199 5.3 MYA ; Pliocene
-volcanic activity in North America & Africa
-Grand Canyon forms 
-hominoids develop]]> 2022-01-27 15:24:58 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016107199 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016111026 1.8 MYA ; Pleistocene
-ice sheets form
-modern humans develop

]]> 2022-01-27 15:26:30 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016111026 1963188acortes2 https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016120779 0.01 MYA ; Holocene 
-beaches and barrier islands form
-mastadons become extinct 
-human culture flourishes 
-accelerating extinction of many species ]]> 2022-01-27 15:30:37 UTC https://padlet.com/1963188acortes2/fgjwv6kcvxnogds6/wish/2016120779