Sub-topic 1
2013 · National Preliminary
Free
Feathers providing thermal insulation for birds (true/false)
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Sub-topic 2
2013 · National Quarterfinal
Premium
Hibernation as a regulated metabolic/temperature decrease, not simple fuel exhaustion (true/false)
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Sub-topic 3
2013 · National Quarterfinal
Premium
Hibernation involves a regulated drop in body temperature (true/false)
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Sub-topic 4
2013 · National Quarterfinal
Premium
Mammalian hibernation is more common than avian hibernation (true/false)
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Sub-topic 5
2014 · National Quarterfinal
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Homeostasis: maintenance of stable internal conditions
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Sub-topic 6
2018 · National Preliminary
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Mammals as endotherms, generating body heat from metabolism
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Sub-topic 7
2021 · National Quarterfinal
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Sweat must evaporate from the skin to produce a cooling effect
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