Extreme biology 0.0 / 5 ? AllUniversityOther Created by: Eilidh JohnstoneCreated on: 22-04-13 18:06 Uranus's equator and the orbits of its rings and relatively small moons lie: 98 degrees 1 of 21 lemmus lemmus is latin for? Arctic lemming which does not hibernate 2 of 21 a subnivean microclimate typically provides what temperatures compared with an outside temperature of -10? >1 3 of 21 birds use regional heterothermy to? keep the temperature of their feet the same as the ice temperture so their feet don't stick to the ground 4 of 21 rete mirabile in thunnus albacares (tuna) has what function? it allows for an increase in temperature, and in turn an increase in BMR and can therefore swim faster 5 of 21 what does the term aestivation describe? a period of torpor during summer 6 of 21 during hibernation heart rate is ~10% of the normal, what percentage of the normal stroke volume precides? stroke volume is unchanged 7 of 21 ursus maritimus/ nanuq are: largest land predators 8 of 21 polar bears have an 8 montn gestation period which month do they typically birth? october 9 of 21 how many cubs are typical? 2 10 of 21 the bernoulli effect describes? burrows designed to cool 11 of 21 how much water could a camel lose if it was shaved? 50% 12 of 21 why does the fur help conserve water in a camel? it reflects sunlight 13 of 21 sea otter belongs to which category? mustelids 14 of 21 under which category does the manatee fall? sirenians 15 of 21 what does ADL stand for? aerobic diving limit 16 of 21 ceataceans and manatees can 90% of air in the lungs in a single breath compared with what percentage for humans at rest? 10% 17 of 21 how long ago were the first snow goggles thought to have been produced? 2000 years ago 18 of 21 what is Allen's rule? Animals with a high surface to volume ratio will lose heat more than animals with a low ratio. 19 of 21 what is Bergmann's rule? Individuals of a particular species tend to have larger body masses (and hence lower surface to volume ratios) in colder regions. 20 of 21 what trend does birthweight show with regard to increasing altitude? lower 21 of 21
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