Question
High atmospheric oxygen during this period contributed to the evolution of giant insects such as 2-foot-long dragonflies. For 10 points each:
[10m] Name this geological period in which a minor “rainforest collapse” extinction occurred at the end of the Pennsylvanian subperiod.
ANSWER: Carboniferous period [accept Carboniferous rainforest collapse]
[10h] Fluctuating levels of oceanic water during the Carboniferous led to rocks with striped patterns alternating between this type of rock and coal. This rock recrystallizes while undergoing metamorphosis to form schist.
ANSWER: shale
[10e] Shallow seas during the Carboniferous period also led to the formation of this sedimentary rock in the British Isles. Chalk is a form of this sedimentary rock, which is composed of calcium carbonate.
ANSWER: limestone
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Summary
| 2024 ACF Winter at Lehigh | 2024-11-16 | Y | 7 | 11.43 | 100% | 14% | 0% |
| 2024 ACF Winter at Ohio State | 2024-11-16 | Y | 1 | 20.00 | 100% | 100% | 0% |
| 2024 ACF Winter at UBC | 2024-11-16 | Y | 1 | 10.00 | 100% | 0% | 0% |
Data
| Penn B | Bard A | 0 | 0 | 10 | 10 |
| Johns Hopkins B | Haverford A | 0 | 0 | 10 | 10 |
| Penn A | Columbia A | 0 | 0 | 10 | 10 |
| Penn State A | Johns Hopkins A | 10 | 0 | 10 | 20 |
| Penn State B | Princeton A | 0 | 0 | 10 | 10 |
| Rowan A | Columbia B | 0 | 0 | 10 | 10 |
| Rutgers A | Lehigh A | 0 | 0 | 10 | 10 |