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Osmoregulation: Understanding Diffusion and Solute Concentration

Explore the process of osmoregulation, including diffusion, osmoconformers, osmoregulators, and the effects of salt concentration on organisms. Learn about the role of osmosis, solute concentration, and equilibrium in maintaining cellular balance.

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Osmoregulation: Understanding Diffusion and Solute Concentration

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  1. Jeopardy Osmoregulation

  2. Vocabulary Short Ans. Graph More Vocab. 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500

  3. Molecules move from high to low concentration. Define Diffusion Category 1 Question 1

  4. Waste product of metabolism. Define Urea Category 1 Question 2

  5. Control internal salt concentration. Define osmoregulators Category 1 Question 3

  6. Internal salt concentration changes w/salinity of water. Define Osmoconformers Category 1 Question 4

  7. Fish with skeleton made of cartilage. Define Cartilaginous Fish Category 1 Question 5

  8. Fish, Bird, Mammal, Reptile Give one example of an osmoregulator. Category 2 Question 1

  9. Invertebrates, sea cucumbers, mollusks, jellies, etc. Give an example of an osmoconformer? Category 2 Question 2

  10. Gills or Urine How would an osmoregulator get rid of excess salt Category 2 Question 3

  11. Drink a lot, excrete salt (gills), excrete little salty urine How do marine fish deal with osmoregulation? Category 2 Question 4

  12. They don’t drink, they absorb salt in gills, and they urinate a lot How do fresh water fish deal with osmoregulation? Category 2 Question 5

  13. Lose mass, shrink Describe what would happen to a potato cell in 15% salt solution? Category 3 Question 1

  14. Gain mass, swell Describe what would happen to a potato cell in 100% water? Category 3 Question 2

  15. Where the graph intersects zero change in mass. Explain how you would determine the solute concentration in the cell? Category 3 Question 3

  16. Put potato in solution with concentration on zero mass gain. Explain an experiment that would test your prediction of how to determine the solute concentration in the cell? Category 3 Question 4

  17. Concentration of solute (salinity) Explain the x axis on the potato core graph Category 3 Question 5

  18. Organisms that can swim against the current. What are nekton Category 4 Question 1

  19. Diffusion of water across a semipermeable membrane What is osmosis? Category 4 Question 2

  20. Less water, more solute, or less water than other side of membrane. What does Hyperosmotic mean? Category 4 Question 3

  21. Glands releasing waste. Define excrete Category 4 Question 4

  22. Category 4 Question 5 Equilibrium, equal solute on both sides of the membrane Define iso-osmotic

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