Question

This phenotype is hypothesized to have evolved due to a decrease in the proportional size of the tracheal system, which may have been facilitated by elevated oxygen levels. For 10 points each:
[10h] Describe this phenotype displayed prominently by the ground-dwelling genus Arthropleura and the aerial apex predator Meganeura.
ANSWER: arthropod gigantism [accept deep sea gigantism; accept colloquial answers such as “big bugs”]
[10e] The aforementioned spike in arthropod size occurred during this geologic period. Arthropod size declined after this period’s rainforest collapse, which resulted in the formation of most of today’s coal deposits.
ANSWER: Carboniferous [accept Mississipian; accept Pennsylvanian]
[10m] Reptiles generally fared better than giant insects after the Carboniferous rainforest collapse due to their ability to lay this type of land-adapted, hard-shelled egg. This type of egg names the clade that includes reptiles, birds, and mammals.
ANSWER: amniotic eggs [or amniote eggs; accept Amniota]
<Biology>

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Data

Stanford ABerkeley A010010
Berkeley BBerkeley C010010
Stanford CStanford B10101030
Cornell ACornell C0000
BinghamtonRIT A0000
RIT BCornell B010010
GWU A (UG)Virginia B (UG)0000
Liberty B (DII)GWU B (Grad)0000
UNC B (UG)Liberty C (DII)10101030
Maryland C (DII)Maryland A (Grad)0000
Maryland B (UG)Virginia C (UG)001010
Liberty A (Grad)UNC D (DII)0000
UNC A (Grad)Virginia A (UG)1010020
JMU A (UG)William & Mary A (UG)0000
Duke A (UG)JMU B (UG)0101020
Claremont AIowa B0101020
Iowa AAppalachian State0101020
UBC ARice A10101030
SorbonneMichigan State A010010
Texas A&M ATexas A&M B0000
Texas AUW A010010
Michigan CKenyon0101020
Michigan AOhio State B010010
Ohio State AMichigan B010010
John JayPenn0101020
Johns HopkinsColumbia B010010
HaverfordNYU B0000
NYU ARowan10101030
VassarColumbia C10101030
Oxford CBristol0000
Cambridge BOxford B0101020
WarwickDurham A010010
EdinburghImperial B010010
Imperial ADurham B10101030
KielOxford A0101020
SheffieldCambridge A010010
Georgia Tech BAlabama0101020
TennesseeGeodesic100010
KentuckyHarding0101020
MTSUVanderbilt A0000
Georgia Tech ASouth Carolina1010020
Dartmouth ADartmouth B10101030
Harvard AHarvard B10101030
Tufts ATufts B0000