Leaves Appear Red in the Fall When ____

Multiple Choice

Leaves appear red in the fall when ____.

A) anthocyanin synthesis increases
B) chlorophylls are disassembled and recycled to allow other pigments to become more visible
C) other pigments, including the orange and yellow accessory pigments, are recycled
D) synthesis of other pigments, including the orange and yellow accessory pigments, increases
E) the red wavelength range of visible light increases due to changes in Earth's position relative to the sun