Earth's Ages - Random Facts

15 Points Per Correct Answer - No time limit  

1. PALEOZOIC: When did this era begin? 2000 million y ago 195 million y ago 4 billion y ago 540 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? dragonflies bony fish trilobites amphibians

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

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? Pterapsids Lungfish Sharks Coelacanths

6. Carboniferous (360-280 million years ago): What is the name of this period referring to? the development of amphibians the forming of coal deposits the birth of reptiles 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? 70% 30% 90% 50%

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

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

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? Therapods Ceratopsians Stegosaurs Sauropods

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? all of them India separated from Africa Greenland separated from Europe Australia separated from Antarctica

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

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? Smilodon Bronthotherium Megatherium Ursus spaelus