(a)[1]
Name the epidermal cells that regulate the aperture of stomata.
(b)[2]
Suggest a reason for the difference in the results for the two species.
(c(i))[1]
State why palisade mesophyll is a tissue.
(c(ii))[2]
Name two other tissues found in the leaf shown in Fig. 4.2.
(d)[2]
The large air spaces are an adaptation in water lily leaves. Suggest why.
(e)[1]
Hydrophytes are adapted to aquatic habitats. State the name for plants adapted to dry habitats.
(f)[2]
Explain what the term adaptive feature means.