Lesson 2 | The Paleozoic Era

Lesson Outline continued 3 . evolved toward the end of the Paleozoic era. a. Reptiles were the first animals that did not require for reproduction. b. Reptiles can spend all their time on . 4. During the late Paleozoic period, tropical forests grew in along shallow inland seas. a. When the plants died, they sank into swamps called ... ................
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