Geologic Time Scale

2. It is a division of the geological time scale that belongs to the Mesozoic Era.
3. It is a division of the geological time scale that belongs to the Phanerozoic eon, with the category of era and erathem.
5. It is the geological era that began about 66 million years ago and extends to the present day.
6. the third and last of the three periods of the Cenozoic Era
8. The record of the geologic events and life forms in Earth´s history.
10. Is one of the three long units of time
11. to bring to a fine or a pure state; free from impurities

1. Known zoologically as the age of dinosaurs or botanically as the age of cycads, it is a division of the geologic time scale
3. begins with the formation of the Solar System 4.57 billion years ago (bya) and extends to the beginning of the Cambrian 540 million years ago (Mya, or 0.54 bya).
4. Ordered succession of different values of the same quality.
7. A period of time that includes the entire duration of something.
9. a graphic representation of the passage of time as a line.