(a)[2]
Finish the sentence that defines adaptive feature. An adaptive feature is an [BLANK] feature that helps an organism to [BLANK] and [BLANK] in its environment.
(b)[2]
Using Fig. 4.1, describe the visible characteristics that show this is a xerophyte leaf.
(c(i))[1]
Convert 1.276 μm into mm.
(c(ii))[1]
State the name of the carbohydrate molecule that forms cell walls in xerophytes.
(c(iii))[1]
Suggest one adaptation of the stem of a xerophyte for dry habitats.
(d)[3]
Describe the two root systems shown in Fig. 4.2 and suggest how each one helps the plant live in a dry environment.