Answer 1:
The major divisions of the Paleozoic Era are the Cambrian (541 million to 485.4 million years ago), Ordovician (485.4 million to 443.8 million years ago), Siluria (443.8 million to 419.2 million years ago), Devonian (419.2 million to 358.9 million years ago), Carboniferous (358.9 million to 298.9 million years ago), and Permian (298.9 million to 252.2 million years ago) periods.
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Answer 2:
Good question! The Paleozoic era is divided into 6 periods. They are the Cambrian, the Ordovician, the Silurian, the Devonian, the Carboniferous, and the Permian. These divisions span ~541-252 million years ago.
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