Earth's Ages - Random Facts

15 Points Per Correct Answer - No time limit  

1. PALEOZOIC: When did this era begin? 540 million y ago 4 billion y ago 2000 million y ago 195 million y ago

2. Cambrian (540-500 million years ago): Which of these theories are given about this period? there was a mass extinction at the end of it all of them the climate was mild around 50 different major groups of organisms suddenly emerged

3. Ordovician (500-440 million years ago): Which well known group of animals thrived during this period? bony fish dragonflies amphibians trilobites

4. Silurian (440-410 million years ago): Which mountain range rose in the orogeny with the same name, which took place during this period? Jura Himalayas Caledonians Alps

5. Devonian (410-360 million years ago): Many different fish groups from the "Age of fishes", as this period is called, have survived to this day. However, which of these became extinct even before this period was over? Coelacanths Sharks Pterapsids Lungfish

6. Carboniferous (360-280 million years ago): What is the name of this period referring to? the forming of coal deposits the birth of reptiles the development of amphibians the wet and warm climate

7. Permian (280-250 million years ago): What percent of the ocean life was wiped out at the and of this period? 30% 90% 50% 70%

8. MESOZOIC: What is the popular name for this era? Age of Dinosaurs Age of Conifers Age of Transition Age of Birds

9. Triassic (250-210 million years ago): What was the name of the supercontinent that tied all the land together? Tethys Laurasia Pangaea Gondwana

10. Jurassic (210-145 million years ago): Which group of dinosaurs from this period included the largest animals ever to walk the face of the Earth? Sauropods Stegosaurs Therapods Ceratopsians

11. Cretaceous (145-65): Where did the giant asteroid, which is supposed to have led to the mass extinction at the end of this period, fall? Indochina Caspian Sea Madagascar Yucatan Peninsula

12. CENOZOIC: Which of these 'break-ups' occur during this era? Australia separated from Antarctica Greenland separated from Europe all of them India separated from Africa

13. Paleogene (65-24 million years ago): Which of these is NOT a subdivision for this epoch? Paleocene Oligocene Pliocene Eocene

14. Neogene (24-1.8 million years ago): What was the representative factor that determined major environmental and climatic changes in the last part of this period? the volcanism the hominids the meteorite impacts the glaciations

15. Quaternary (1.8-?): Which of these was a "cat" menace for the early humans? Megatherium Smilodon Bronthotherium Ursus spaelus