Fall Colors

What is the primary function of photosynthesis in plants?

• To produce water and carbon dioxide.

• To convert light energy into sugars and oxygen.

• To absorb nutrients from the soil.

• To help leaves change color.

Which pigment is primarily responsible for the green color of leaves and is most abundant in plants?

• Carotenoids

• Anthocyanins

• Chlorophyll

• Xanthophylls

Why do deciduous trees shed their leaves in winter?

• To attract more pollinators.

• To conserve energy and resources during periods of low sunlight.

• To provide nutrients to the soil.

• To protect themselves from animal grazing.

What causes the vibrant yellow, orange, and red colors of leaves to become visible in autumn?

• The leaves produce new pigments in the fall.

• The green chlorophyll breaks down, revealing other existing pigments.

• The tree absorbs new colored nutrients from the soil.

• The leaves are exposed to different types of sunlight.