The sepals are collectively referred to as the:
O Fruit
O Calyx
O Corolla
Receptacle

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Approximately what wavelength of light is best absorbed by chlorophyll a

Below are the three main organs that make up the plant body