Desert mammals
can tolerate strong degree of dehydration due to…….
a) metabolic adaptation
b) behavioral adaptation
c) structural adaptation
d) both a and b
Mammals living in desert can tolerate strong degree of dehydration due metabolic and behavioral adaptations. This character is called
a) rehydration
b) anhydrobiosis
c) osmoregulation
d) hydration
Explanation: The word anhydrobiosis means 'life without water' in Greek.
How do desert mammals get water?
a) drink lot of water and store in stomach
b) feed on seed in which large amount of carbohydrate is stored
c) feed on the blood and fluid of other animals
d) all of these
Which are the best successful mammals in desert?
a) dogs
b) wolves
c) foxes
d) kangaroo rats
Explanation: The rats burrow into the soil to better survive the sometimes harsh desert environment.
Excretion:
Which of the following waste/s is/are most troublesome?
a) carbon dioxide
b) nitrogenous waste
c) extra water
d) all of these
