Ecology 1E Formative

In which osmotic state does the cell shrink?

• Hypertonic

• Isotonic

• Hypotonic

In which osmotic state does the cell appear normal?

• Hypertonic

• Isotonic

• Hypotonic

During which osmotic state does the cell swell and become larger?

• Hypertonic

• Isotonic

• Hypotonic

In which solution is the cell happy and in a state of equilibrium?

• hypertonic

• hypotonic

• isotonic

What is the process by which water diffuses across a selectively permeable membrane?

• Active transport

• Osmosis

• Simple diffusion

• Facilitated diffusion

You decide to buy a new fish for your freshwater aquarium. After introducing the fish into its new tank, it swells up and dies. You later learn that it was a fish from the ocean. What could have caused the fish to swell up and die?

• The water from the fish's cells began to move out, causing the cells to shrink.

• The salt moved into the fish's cells, causing it to die.

• The freshwater from the aquarium moved into the fish's cells.

• The different concentrations of salt and freshwater caused the fish to be in an isotonic state.

Tags

NGSS.MS-LS2-4

Where is the water concentration higher?

• Outside the cell

• Inside the cell

• The water concentration is equal

There is more water outside of the cell.

In which direction will the water move?

Hint: from high to _____

• Into the cell

• Out of the cell

• The water is equal

If a person were to have pure water injected into their veins in a hospital, what would happen to their cells?

• Shrink/Dehydrate

• Expand

• There would be no effect on their cells

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Why can't boat wreck survivors drink the ocean water they are floating in?

• The salt in the water would cause their cells to shrink.

• The salt in the water would cause their cells to expand.

• It would not affect their cells.