Kangaroo rats are small rodents that live in the desert of the southwest United States. Their kidneys produce urine that is much more concentrated than the typical urine of mammals. Which statement best explains the evolution of the kidneys of the kangaroo rat? a. The kidneys are adaptations for the desert environment, where organisms benefit by conserving water in their bodies. b. The kidneys are adaptations for the small size of the kangaroo rat, which is not able to hold a large volume of urine. c. The kidneys are the same as all other mammalian kidneys, but function differently in the desert environment. d. The kidneys were adapted for life in the ocean, and then retained their function when kangaroo rats moved to land
Kangaroo rats are small rodents that live in the desert of the southwest United States. Their kidneys produce urine that is much more concentrated than the typical urine of mammals. Which statement best explains the evolution of the kidneys of the kangaroo rat?
a. The kidneys are adaptations for the desert environment, where organisms benefit by conserving water in their bodies.
b. The kidneys are adaptations for the small size of the kangaroo rat, which is not able to hold a large volume of urine.
c. The kidneys are the same as all other mammalian kidneys, but function differently in the desert environment.
d. The kidneys were adapted for life in the ocean, and then retained their function when kangaroo rats moved to land.
Introduction :
Kidneys are the main organs in the excretory system, which takes part in the filtration of the blood before the urine is formed. The major function of the kidney is to filter the blood that results in urine formation. It excretes metabolic wastes like urea and uric into the urine.Itt also maintains the water and salt levels of the body.
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