Many floating aquatic plants, such as water lilies, only contain chlorophyll in the top part of their leaves. In fact, the bottom part of a water lily is often purple because it lacks chlorophyll. This adaptation most likely occurs because
A.
nutrients are only absorbed by the top part of the leaf.
B.
water loss is reduced by having less chlorophyll.
C.
heat loss is reduced by having less chlorophyll.
D.
sunlight only hits the top part of the leaf.