During which era did the Cambrian explosion and the assembly of Pangaea occur?

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Prepare for the NES Earth and Space Science (307) Test. Use flashcards and multiple-choice questions with explanations to enhance your understanding and boost your confidence. Excel in your exam preparation!

Multiple Choice

During which era did the Cambrian explosion and the assembly of Pangaea occur?

Explanation:
The timing of two big Earth-history events falls within the Paleozoic Era. The Cambrian explosion, a rapid diversification of animal life, happened in the early Paleozoic (the Cambrian period). Later in the Paleozoic, the continents collided and formed Pangaea, culminating in the late Paleozoic (Carboniferous to Permian). Because both events occur during the Paleozoic, that era is the correct answer. The Precambrian is earlier than the Cambrian, while the Mesozoic and Cenozoic come after the Paleozoic.

The timing of two big Earth-history events falls within the Paleozoic Era. The Cambrian explosion, a rapid diversification of animal life, happened in the early Paleozoic (the Cambrian period). Later in the Paleozoic, the continents collided and formed Pangaea, culminating in the late Paleozoic (Carboniferous to Permian). Because both events occur during the Paleozoic, that era is the correct answer. The Precambrian is earlier than the Cambrian, while the Mesozoic and Cenozoic come after the Paleozoic.

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