| Question | Answer | % Correct |
|---|---|---|
| The era which the Carboniferous belongs to | Paleozoic | 92%
|
| Element which the atmosphere contained as much as 35% of | oxygen | 88%
|
| Giant continent which formed at the end of the period | Pangea | 88%
|
| ... and the period following it | Permian | 88%
|
| The period preceding the Carboniferous... | Devonian | 79%
|
| Burnable rock which the Carboniferous is named after | coal | 75%
|
| Common spore-bearing plant of the period, still around today | fern | 75%
|
| Giant millipede that once roamed Pennsylvania | Arthropleura | 67%
|
| Giant dragonfly relative whose name means "giant nerve" | Meganeura | 67%
|
| Hylonomus and Petrolacosaurus are examples of this class of animals which appeared during this time | reptile | 67%
|
| Eryops and Crassigyrinus- two kinds of this semiaquatic animal class | amphibian | 63%
|
| Megarachne and Hibbertopterus are Carboniferous members of this group of aquatic arthropods | Sea Scorpion | 63%
|
| Rugose and Tabulate were types of this kind of reef-building marine organism during this age | coral | 58%
|
| Once-common marine arthropod that began to decline in diversity during this period | trilobite | 54%
|
| Cone-bearing plant type that first appeared in the later part of the Carboniferous | conifer | 46%
|
| Sail-backed herbivorous animal distantly related to mammals | Edaphosaurus | 42%
|
| Many of the "trees" that formed the coal of this time aren't trees but lycopods, otherwise known as | clubmoss | 17%
|