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Fossils and Geologic Time - Statistics
General Stats
- This quiz has been taken 39 times
- The average score is 9 of 58
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| What rock is put down in horizontal layers? | Sedimentary | 71%
|
| What is found almost exclusively in sedimentary rock? | Fossils | 46%
|
| Jurassic | 43%
| |
| Second largest period of geologic time | Era | 39%
|
| Mesozoic | 39%
| |
| Periods of Mesozoic era | Triassic | 39%
|
| Periods of above | Cambrian | 36%
|
| Cretaceous | 36%
| |
| Law stating that the oldest rock layers are on the bottom, and get younger going up | Law of Superposition | 32%
|
| Largest period of geologic time | Eon | 29%
|
| Ordovician | 29%
| |
| Silurian | 29%
| |
| Cenozoic | 25%
| |
| The amount of time it takes for one half an isotope to decay | Half-life | 25%
|
| Three eras | Paleozoic | 25%
|
| Third largest | Period | 25%
|
| A record of Earth's history from 4.6 bya to the present | Geologic time scale | 21%
|
| Permian | 21%
| |
| Smallest | Epoch | 18%
|
| Longest geologic time unit of Earth's history | Precambrian | 18%
|
| Quaternary | 18%
| |
| Rocks deposited in horizontal layers are folded or tilted, then eroded | Angular Unconformity | 14%
|
| Devonian | 14%
| |
| Rocks were exposed and eroded then new layers were deposited on top | Disconformity | 14%
|
| Fossilized stones some dinos used in digestion | Gastroliths | 14%
|
| Stratified rock rests upon a layer of weathered unstratified rock | Nonconformity | 14%
|
| Age of the Earth | 4.6 byo | 11%
|
| What appeared during Jurassic? | Birds | 11%
|
| What evolved during Quaternary? | Humans | 11%
|
| Gaps in the rock sequence | Unconformities | 11%
|
| Fossil formed when natural cements fill in mold and harden | Cast | 7%
|
| Fossilized waste material | Coprolites | 7%
|
| Fossils found exclusively in rock layers of a certain geologic age | Index fossils | 7%
|
| Cavity left when an organism dies and decays | Mold | 7%
|
| What broke up during Triassic? | Pangaea | 7%
|
| Looking at the amount of a radioactive isotope and the daughter material | Radioactive decay | 7%
|
| Periods of Cenozoic era | Tertiary | 7%
|
| Preserved 'footprint' of an organism | Trace fossils | 7%
|
| What appeared during Ordovician? | Vertebrates | 7%
|
| What can be determined by the rate at which a stream erodes its bed? | Age of the stream | 4%
|
| Amber | 4%
| |
| A thin carbon residue outline left after heat and pressure force liquid and gases out | Carbonaceous Film | 4%
|
| What must happen in order for an organism to become a fossil? | Covered quickly and completely | 4%
|
| Freezing | 4%
| |
| Organisms developed what during Paleozoic era? | Hard parts | 4%
|
| Law stating a fault or intrusion is always younger than the surrounding rock | Law of crosscutting | 4%
|
| What happened during Permian period? | Mass extinctions | 4%
|
| Mississippian | 4%
| |
| Types of original remains | Mummification | 4%
|
| What is the preservation of organisms? | Original Remains | 4%
|
| Pennsylvanian | 4%
| |
| Original organic material replaced by new materials | Petrified Remains | 4%
|
| Tar seeps | 4%
| |
| What are alternating layers of dark and light rock particles? | Varves | 4%
|
| Silurian is also called? | Age of fishes | 0%
|
| What occurred during Cenozoic? | Ice Ages | 0%
|
| What appeared during Cambrian? | Invertebrates | 0%
|
| What evolved during Silurian? | Spiders and millipedes | 0%
|
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