In Autumn, the Leaves of Deciduous Trees Change Colors

Multiple Choice

In autumn, the leaves of deciduous trees change colors. This is because chlorophyll is degraded and ________.

A) carotenoids and other pigments are still present in the leaves
B) the degraded chlorophyll changes into many other colors
C) water supply to the leaves has been reduced
D) sugars are sent to most of the cells of the leaves