The "geologic record" divides Earth's history into time periods, grouped into eons and further subdivided into eras, periods, and epochs.
El "geologic record" divide la historia de la Tierra en eones (Arcaico, Proterozoico, Fanerozoico) y subdivisiones posteriores como eras, períodos y épocas.
| Front | geologic record |
|---|---|
| Back | The division of Earth’s history into time periods, grouped into three eons—Archaean, Proterozoic, and Phanerozoic—and further subdivided into eras, periods, and epochs. |
Tags: ch.25
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Half-life amount time takes sample radioactive isotope decay
Previous card: Host endosymbiosis process unicellular organism engulfs cell lives
Up to card list: Biology 560/570/580