| (i) They possess blubber to insulate body. |
| (ii) They need to drink lot of water and breathe at a slow rate to conserve water. |
| (iii) They excrete very concentrated urine. |
| (iv) They undergo aestivation to cope with heat. |
A) (iii) and (iv) only
B) (i), (iii) and (iv) only
C) (ii), (iii) and (iv) only
D) (ii) and (iii) only
Correct Answer: A
Solution :
Kangaroo rats live in deserts (hot and dry place), so they must conserve water. They do this by excreting very concentrated urine and by lowering their metabolic rate. They obtain enough water from the metabolic oxidation of the seeds they eat to survive and do not need to drink water at all.
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