The graphs above show data relating to seasonal differences in the amount of pigment molecules present in leaves and how this is related to leaves changing colors. What can you conclude from these graphs?
a) The amount of yellow-reflecting pigments has no bearing on leaf color.
b) Green reflectance by leaves in the fall increases dramatically.
c) The colors of leaves in the fall are a consequence of reduced amounts of chlorophylls a and b in the leaves.
d) The colors of leaves in the fall are a consequence of increased amounts of chlorophyll a in the leaves.
e) The colors of leaves in the fall are a consequence of increased amounts of carotenoids in the leaves.
Answer: c) The colors of leaves in the fall are a consequence of reduced amounts of chlorophylls a and b in the leaves.
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