To maintain homeostasis of its body fluids, a frog in freshwater would have to
A)actively transport salts out and excrete dilute urine.
B)actively transport salts in and excrete concentrated urine.
C)actively transport water out and excrete dilute urine.
D)actively transport salts in and excrete dilute urine.

Question

Quizplus · Accepted Answer

Frogs in freshwater environments tend to lose salts and gain water through osmosis. To maintain homeostasis, they actively transport salts into their bodies and excrete dilute urine to remove excess water.

To Maintain Homeostasis of Its Body Fluids, a Frog in Freshwater