Chapter 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | hypoosmotic; lose
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| show | hypoosmotic
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| According to Bergmann's rule, as global temperature increases, what happens? | show 🗑
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| show | d. increased heart rate.
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| An advantage of homeothermy is what? | show 🗑
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| An animal has a very thin layer of insulation between its body core and surface causing it to have a very high ________. | show 🗑
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| show | omnivores
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| show | increase heat production by shivering flight muscles of the thorax
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| In cases where global temperature increase results in increased resource availability, what happens? | show 🗑
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| show | a larger surface area relative to volume
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| In some species of herbivorous mammals, hindgut fermentation occurs in the _______ | show 🗑
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| In this figure, the slope of the lines for active lizards and inactive ones suggests what? | show 🗑
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| In which of the following is countercurrent heat exchange not known to occur? a. bird legs b. porpoise fluke c. primate hands d. beaver tail | show 🗑
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| show | heart
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| Maintaining a relatively constant body temperature independent of external temperature is referred to as _______ | show 🗑
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| Many species of insects undergo a state of arrested development in their life cycle to avoid desiccation or cold, referred to as ______ | show 🗑
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| Many species of small mammals, especially those that hibernate, increase heat production by doing what? | show 🗑
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| show | supercooling
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| show | glycerol
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| The basal metabolic rate per unit of body mass is highest in a what? | show 🗑
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| The ingestion of fecal material for further extraction of nutrients is referred to as what? | show 🗑
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| show | ectothermy
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| The respiration rate of homeotherms is proportional to what? | show 🗑
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| The seasonal cessation of activities accompanied by a reduction in metabolism in response to cold temperatures during winter is called _______ | show 🗑
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| show | 6l2
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| Water flows over gills in the opposite direction of blood flow in a process known as what? | show 🗑
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| show | The metabolic rate approximately doubles
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| Which of the following animals does not use lungs to acquire oxygen? a. bird b. frog c. butterfly d. whale | show 🗑
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| Which of the following animals has the highest mass specific oxygen consumption? a. mouse b. sheep c. elephant d. man | show 🗑
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| Which of the following factors does not influence animal heat exchange? a. movement of blood to the body's surface b. conductivity of fat c. fat thickness d. oxygen diffusion rate | show 🗑
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| Which of the following is a major problem for animals that live in hyperosmotic environments? a. obtaining enough oxygen b. access to mineral nutrients c. preventing heat loss d. preventing water loss | show 🗑
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| show | a. starfish
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| show | d. estivation
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| show | d. homeostasis
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| show | a. a tube
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| _____ is a long, seasonal torpor characterized by a cessation of activity. | show 🗑
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| _______ is required in aerobic respiration, a cellular process that releases energy through the breakdown of organic compounds. | show 🗑
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| _______ is the maintenance by an animal of a relatively constant internal environment in a varying external environment. | show 🗑
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| An organism that obtains its energy and most nutrients from consuming plants or animals is called a(n) _______ | show 🗑
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| show | carnivores
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| Animals that generate body heat metabolically at some times and from the environment at other times are referred to as ______ | show 🗑
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| Animals that generate internal heat metabolically are called _____ | show 🗑
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| Aquatic organisms that have a lower salt concentration in their bodies than the surrounding water are considered _______ | show 🗑
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| Birds and reptiles have a _______, which is a common receptacle for the digestive, urinary, and reproductive tracts that reabsorbs water back into the body. | show 🗑
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| Herbivores are unable to digest ______ and thus rely on the help of specialized bacteria and protozoa living in their digestive tracts. | show 🗑
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| show | amino acids
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| Herbivores typically prefer plants with the highest concentrations of ______, an element that is probably detected by taste and odor. | show 🗑
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| In marine mammals, lipids are typically deposited as a layer of fat just below the skin, referred to as _______ | show 🗑
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| show | diapause
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| show | volume
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| show | rumen
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| show | rete
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| show | thermoneutral
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| show | scaling
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| show | torpor
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| The smaller a homeotherm, the _______ the loss of heat to the surrounding environment. | show 🗑
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| Thermal ________ is the ability of an organism to transmit heat. | show 🗑
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| show | countercurrent
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| show | Kenya
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| When insulation fails, many animals resort to _______, which is a form of involuntary muscular activity that increases heat production. | show 🗑
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