Osmoregulation in Organisms
Biology ⇒ Biological Systems and Homeostasis
Osmoregulation in Organisms starts at 9 and continues till grade 12.
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A freshwater protozoan is placed in a saltwater solution. Predict what will happen to the protozoan and explain why.
A marine fish is transferred to freshwater. Predict and explain what will happen to its cells.
A person is lost in a desert and does not drink water for two days. What changes would you expect in their urine output and why?
Describe how stomata help plants in osmoregulation.
Describe the difference between osmoconformers and osmoregulators, giving one example of each.
Describe the role of the loop of Henle in osmoregulation in mammals.
Describe the role of the skin in osmoregulation in amphibians.
Explain how freshwater fish maintain osmotic balance in their bodies.
Explain how the structure of the nephron aids in osmoregulation.
Explain why marine bony fish drink seawater.
Explain why saltwater fish excrete small amounts of concentrated urine.
Explain why uric acid is an advantageous waste product for birds and reptiles.
What is osmoregulation?
