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Q. Consider the following statements regarding adaptations of the kangaroo rat in arid environments:
  1. The kangaroo rat in North American deserts meets all its water requirements through internal fat oxidation during scarcity of water.
  2. The kangaroo rat possesses the ability to concentrate its urine to minimize water loss.
Which of the above statements is / are correct?
Answer: Only 2
Notes: Kangaroo rats in North American deserts can meet all their water needs through metabolic water produced from fat oxidation, not those in Australia. They also have adaptations allowing them to highly concentrate urine and thus minimize water loss. Statement 1 is only true for North American species, and statement 2 is correct for kangaroo rats in general.
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