Geological Events

4. It means "Age of Reptiles", and is also the era where the dinosaurs got extinct.
6. It's a major division of time
12. A widespread, and rapid decrease in the biodiversity on Earth.
13. Appearance of the lineages of almost all animals living today. (2 words)

1. It's the cause of dinosaur extinction
2. 66 million years ago to present, first monkeys and apes
3. It proposes that species evolve quickly during relatively short periods. (2 words)
5. It's a standardized system for organizing the history of the Earth into specific time intervals, based on the ages of rocks, fossils, and other geological formations. (3 words)
7. It spans from 544-245 million years ago. Includes invertebrate sea animals.
8. It's the epoch in today's time
9. It's the result of the movement of tectonic plates on the convection currents in the mantle.
10. It's earliest era of earths history, covering the first 4 billion years
11. Refers to a pattern of sustained, directional, and incremental evolutionary change over a long period of time during the history of a species