Gas And Solute Exchange Flashcards
1
Q
through what processes are substances moved
A
diffusion osmosis and active transport
2
Q
how are exchange surfaces adapted
A
thin short distance to diffuse
large surface area for more diffusion
3
Q
how does carbon dioxide get into a leaf.
A
it diffuses into air spaces within the leaf
4
Q
how is the leaf adapted to let carbon dioxide enter the leaf
A
the underside of the leaf has stomata on
the leaf is flat increasing the surface area
5
Q
what leaves the leaf through the stomata
A
oxygen and water vapour
6
Q
what controls the stomata
A
guard cells
