https://padlet.com/dylan_ream/o12x6v3sbw8auhlj Precambrian Time Paleozoic Era Mesozoic Era Cenozoic Era en-us 2021-11-02 13:34:47 UTC 2021-11-03 12:56:57 UTC hello@padlet.com dylan_ream https://padlet.com/dylan_ream/o12x6v3sbw8auhlj/wish/1861982032 Paleozoic Era consisted of six periods, Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian. The Paleozoic was 570 to 240 million years ago. This era is most known for the Cambrian period because it was the most intense burst of evolution ever. The Cambrian period extended from 541 million to 485.4 million years ago. In The Cambrian period; The first true vertebrate appeared. The first animals with four legs appeared in this era, a common ancestor of all creatures with 2 or 4 legs, including humans. The first marine reptiles, including lizards and snakes, also appeared, with Plant-based species like ferns and Cladoxylopsida (first trees.)    ]]> 2021-11-02 15:16:45 UTC https://padlet.com/dylan_ream/o12x6v3sbw8auhlj/wish/1861982032