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Which of the following animal excretes solid urine?

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in Biology – Class 12 by (271k points)
Which of the following animal excretes solid urine?

(a) Crow

(b) Fishes

(c) Kangaroo rat

(d) Camel

I got this question in a national level competition.

This intriguing question originated from Organisms and Populations in portion Organisms and Populations of Biology – Class 12

1 Answer

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Right choice is (c) Kangaroo rat

To elaborate: Solid urine is excreted by kangaroo rat to avoid excess loss of water. They are rodents and their kidneys have developed mechanisms to highly concentrate their urine. They have longer papilla in their kidneys.

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