What evolved during the Paleozoic era?
The Paleozoic Era:
The Paleozoic Era began around 542 million years ago when single-celled organisms began to evolve into more complex lifeforms. This era lasted around 290 million years, ending around 252 million years ago when the Mesozoic Era began.
Answer and Explanation:
The simplest answer to what evolved during the Paleozoic Era would be to say everything evolved. The first 40 million years of the era saw...
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fromChapter 22 / Lesson 12