Science please help

List and briefly outline the six different periods into which the Paleozoic era is divided.



The six periods:
1:Cambrian, which was 545 million years ago.
2:Ordovician, which was 490 million years ago.
3:Silurian, which was 445 million years ago.
4:Devonian, which was 415 million years ago.
5:Carboniferous, which was 355 million years ago.
6:Permian, which was 290 million years ago.


I'm really stuck in this question

asked by MurmerFlax
  1. Your outline should include the major events of each period.

    https://www.thoughtco.com/periods-of-the-paleozoic-era-1224556

    posted by Ms. Sue
  2. Google search is a friend.
    search such as this "Cambrian animals"

    posted by bobpursley
  3. https://www.jiskha.com/display.cgi?id=1515013057

    posted by Writeacher

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