The diagram shows the results of an experiment using leaves with the same surface area from
two different species of plant. Each leaf was left on a balance in daylight in a closed room and its
mass recorded at 1 hour intervals.
Which features of leaf 2 could explain these results?
1) more stomata per unit area of leaf
2) fewer trichomes (hairs) on the leaf
3) sunken stomata
4) thinner cuticle
1 )
1, 2 and 3
1, 2 and 4
3 )
1 and 4 only
4 )
2 and 3 only
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