Statistics for Carboniferous Quiz

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Question	Answer	% Correct
Giant continent which formed at the end of the period	Pangea	100%
Element which the atmosphere contained as much as 35% of	oxygen	89%
The era which the Carboniferous belongs to	Paleozoic	89%
... and the period following it	Permian	89%
Eryops and Crassigyrinus- two kinds of this semiaquatic animal class	amphibian	78%
Rugose and Tabulate were types of this kind of reef-building marine organism during this age	coral	78%
The period preceding the Carboniferous...	Devonian	78%
Common spore-bearing plant of the period, still around today	fern	78%
Burnable rock which the Carboniferous is named after	coal	67%
Hylonomus and Petrolacosaurus are examples of this class of animals which appeared during this time	reptile	67%
Megarachne and Hibbertopterus are Carboniferous members of this group of aquatic arthropods	Sea Scorpion	67%
Giant millipede that once roamed Pennsylvania	Arthropleura	56%
Giant dragonfly relative whose name means "giant nerve"	Meganeura	56%
Once-common marine arthropod that began to decline in diversity during this period	trilobite	56%
Cone-bearing plant type that first appeared in the later part of the Carboniferous	conifer	44%
Many of the "trees" that formed the coal of this time aren't trees but lycopods, otherwise known as	clubmoss	33%
Sail-backed herbivorous animal distantly related to mammals	Edaphosaurus	33%