Consider the folloeing four statements (AD) about certain desert animals such as kangaroo rat (A) Th

Question

Consider the folloeing four statements (AD) about certain desert animals such as kangaroo rat
(A) They have dark colour and high rate of reproduction and excrete solid urine.
(B) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs.
(C) They feed on dry seeds and do not require drinking water.
(D) They excrete very concentrated urine and do not use water to regulate body temperature.
Which tow of the ablove satements for such animals are true ?

Accepted Answer

Kangaroo rat is a desert rodent. Its body is covered by hairs. Its urine is more then 20 times concentrated as its plasma. This concentrated waste enables it to live in dry or desert environment where little water is available for him to drink. Most of its water is metabolically produced from the oxidation of carbohydrates, fats and proteins in the seed that it eat. The animal remains in cool burrow during day time and the respiratory moistture condensed in nasal passages.

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