Kidneys that can conserve water are essential to homeostasis because: a) some animals live in dry or salty environments. b) some animals drink water. c) urea is not soluble in water d) their cells will be unable to convert ammonia into urea if excess water is excreted.

Biology · High School · Tue Nov 03 2020

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The correct answer is: a) some animals live in dry or salty environments.

Kidneys that can conserve water play a vital role in maintaining homeostasis, especially for animals living in dry or salty environments. These kidneys help in conserving water by adjusting the volume and concentration of urine produced, allowing these animals to retain water and prevent dehydration in harsh environmental conditions.