On Evolution - Auroville

Geologic History and the Evolution of Life. Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term is used only once. 1. a subdivision of periods on the geologic time scale. 2. the time line of Earth’s past. 3. is nearly 90 percent of Earth’s history. 4. the largest unit of geologic ... ................
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