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Chapter 30 Quiz
Return to Animal Physiology 4e Student Resources
Chapter 30 Quiz
Quiz Content
*
not completed
.
Dry savannas are
forests.
correct
incorrect
deserts.
correct
incorrect
similar to deserts but not identical.
correct
incorrect
similar to forests but not identical.
correct
incorrect
*
not completed
.
Which is a characteristic of the Serengeti plains of East Africa?
A one-month dry season
correct
incorrect
Four to six months without rain
correct
incorrect
The grass turns crisp and green
correct
incorrect
The absence of streams
correct
incorrect
*
not completed
.
A mammal living in dry savannas and deserts that weighs _______ would have the least weight-specific water cost to void endogenously produced heat.
20 g
correct
incorrect
200 g
correct
incorrect
300 g
correct
incorrect
350 kg
correct
incorrect
*
not completed
.
Which animal has the
least
body-surface area per unit of weight?
Mouse
correct
incorrect
Rat
correct
incorrect
Dog
correct
incorrect
Horse
correct
incorrect
*
not completed
.
Which mammal has the highest weight-specific metabolic rate?
Horse
correct
incorrect
Kangaroo rat
correct
incorrect
Human
correct
incorrect
Dog
correct
incorrect
*
not completed
.
A mammal living in dry savannas and deserts that weighs _______ has the
least
physiological advantage.
100 g
correct
incorrect
20 kg
correct
incorrect
50 kg
correct
incorrect
100 kg
correct
incorrect
*
not completed
.
Which animal has the greatest rate of evaporation relative to its body size?
Squirrel
correct
incorrect
Dog
correct
incorrect
Mouse
correct
incorrect
Horse
correct
incorrect
*
not completed
.
In the Serengeti, there is a gradient of _______ moisture and _______ aridity from the northwest to the _______.
increasing; increasing; southeast
correct
incorrect
decreasing; increasing; southeast
correct
incorrect
decreasing; decreasing; southwest
correct
incorrect
decreasing; increasing; southwest
correct
incorrect
*
not completed
.
Some scientists believe that one of the reasons herds of wildebeest migrate, leaving the southeast Serengeti ecosystem at the end of the rainy season, is the change in
heat.
correct
incorrect
water pH.
correct
incorrect
drinking water salinity.
correct
incorrect
food resources.
correct
incorrect
*
not completed
.
At 25°C, about _______% of a kangaroo rat's water needs are met by _______.
70; water intake
correct
incorrect
90; metabolic water
correct
incorrect
80; metabolic water
correct
incorrect
80; water intake
correct
incorrect
*
not completed
.
Oryxes are _______; they get their preformed water _______.
water independent; by drinking
correct
incorrect
water independent; in food
correct
incorrect
water dependent; by drinking
correct
incorrect
water dependent; in food
correct
incorrect
*
not completed
.
Which statement regarding large, drinking-water dependent herbivores is true?
The majority of their water needs are met from metabolic processes.
correct
incorrect
They sometimes transition to drinking-water independent.
correct
incorrect
Most exhibit extreme fluctuations in body core temperature.
correct
incorrect
Some migrate to places where rain is falling.
correct
incorrect
*
not completed
.
The best time to feed on leaves is
predawn.
correct
incorrect
morning.
correct
incorrect
evening.
correct
incorrect
midnight.
correct
incorrect
*
not completed
.
In the Kalahari ecosystem, which month is the best to find grass with high protein content?
January
correct
incorrect
April
correct
incorrect
August
correct
incorrect
November
correct
incorrect
*
not completed
.
Which statement about the Arabian oryx is true?
They have a U/P ratio of 12.
correct
incorrect
They are extinct.
correct
incorrect
They can store heat during hot days.
correct
incorrect
They have abundant water available throughout the year.
correct
incorrect
*
not completed
.
In winter, at what time do Arabian oryxes exhibit the highest average body temperature?
Midnight
correct
incorrect
6:00 am
correct
incorrect
Noon
correct
incorrect
6:00 pm
correct
incorrect
*
not completed
.
On a summer day, the Arabian oryx's body temperature at 6:00 pm could be as high as _______°C.
38
correct
incorrect
40
correct
incorrect
45
correct
incorrect
49
correct
incorrect
*
not completed
.
Oryxes eat leaves that are firm but not juicy; they contain about _______% water.
20
correct
incorrect
40
correct
incorrect
60
correct
incorrect
75
correct
incorrect
*
not completed
.
Which statement about camels is
false
?
Their rumen contains more water than other any other ruminants' rumen.
correct
incorrect
Their hump fat costs water to oxidize.
correct
incorrect
They drink only to make up for prior water loss.
correct
incorrect
They have an extraordinary ability to survive in deserts for long periods without drinking.
correct
incorrect
*
not completed
.
Which of the following is
not
employed as a water conservation strategy in dromedaries?
They produce dry feces.
correct
incorrect
They produce concentrated urine.
correct
incorrect
They minimize heat influx behaviorally.
correct
incorrect
They metabolize their fat stores.
correct
incorrect
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