What is a geological period?
Question:
What is a geological period?
Species and Rock Evolution:
Geological time marks changes to the Earth based on species development and rock formations and shifts. Such time shows how species evolved and grew extinct through various ice ages and other changes in the Earth.
Answer and Explanation: 1
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View this answerA geological period is a subdivision of geological time. Periods are situated within eras, which are situated within eons. Periods are further divided...
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Chapter 25 / Lesson 4The geological record has four eons that help divide important parts of the Earth's history. Explore the definition and timeline of the geologic record, and discover the Hadean, Archean, Proterozoic, and Phanerozoic eons.