Gas And Solute Exchange

Question 1

Name four adaptations of exchange surfaces

Answer 1

1) Thin to allow diffusion
2) Large SA for diffusion
3) Lots of blood vessels
4) Ventilation

Question 2

Name three adaptations of leaves

Answer 2

1) A flat shape to increase exchange surface
2) Spaces in leaf to increase exchange surface
3) Stomata to control water loss

Question 3

What gas enters into the leaf through the stomata?

Answer 3

Carbon dioxide by diffusion

Question 4

What gas leaves the leaf through the stomata?

Answer 4

Oxygen by diffusion

Question 5

Name three methods of substance moment

Answer 5

Diffusion, osmosis, active transport

Question 6

How does water escape the leaf?

Answer 6

Evaporates out of cells and diffuses out of the stomata