(a)[3]
Define the term transpiration by filling in the missing words. Transpiration means water vapour leaving plant leaves by [BLANK] of water from the surfaces of the mesophyll cells, followed by [BLANK] of water vapour through the [BLANK].
(b)[3]
Compare the volumes of water lost by species A and species B.
(c)[1]
Draw one more bar on Fig. 5.1, for species B only, to show the predicted result.
(d)[1]
State the name of the vessels that carry water through a plant.