Why Do Leaves Change Color in the Fall

question 10

Multiple Choice

Why do leaves change color in the fall?

• A) The green chlorophyll that was masking the colors of the other pigments breaks down.
• B) By fall,plants have used up all the green chlorophyll that was stored in their roots.
• C) Plants replace green chlorophyll with pigments that gather all wavelengths of light.
• D) The leaves produce bright-colored pigments to attract animals to their ripe fruit and seeds.
• E) Red and yellow pigments are needed to prevent the leaves from freezing in cold weather.

---

Definitions:

Bud

An undeveloped shoot that develops into flowers, stems, or leaves. Buds are enclosed in bud scales; see Axillary Bud and Terminal Bud.

Coevolution

The reciprocal adaptation of two or more species that occurs as a result of their close interactions over a long period.

Bat-pollinated

Refers to plants that are primarily pollinated by bats, a process crucial for the reproductive success of certain plant species.

Night-blooming

Night-blooming characterizes plants that open their flowers or become active during the night, often for reasons such as attracting specific pollinators or conserving water.