Unlocking the Mysteries of Autumn Leaves

The video explores the phenomenon of fall foliage in New England, focusing on why leaves change color. It explains the role of chlorophyll and the mystery behind red pigments. The unique mix of tree species in New England contributes to its vibrant fall colors. The video also discusses the impact of climate change, noting that warming temperatures and unpredictable weather could alter the timing and quality of fall foliage.

What is the economic impact of fall foliage tourism in New England?

• Trillions of dollars

• Thousands of dollars

• Billions of dollars

• Millions of dollars

What compound is responsible for the green color in leaves?

• Anthocyanins

• Carotenoids

• Chlorophyll

• Xanthophylls

What happens to chlorophyll in leaves during fall?

• It increases in concentration

• It remains unchanged

• It turns into another pigment

• It breaks down

Why is the production of red pigments in leaves considered a mystery?

• They are present all year round

• They are not visible to the human eye

• They are synthesized in summer

• They require a lot of energy to produce

What is one proposed function of red pigments in leaves?

• To act as a sunscreen

• To increase photosynthesis

• To attract pollinators

• To store water

How has climate change affected the timing of fall in Vermont?

• Fall is shorter

• Fall is arriving earlier

• Fall timing is unchanged

• Fall is arriving later

What kind of weather conditions are ideal for vibrant fall foliage?

• Cool nights and dry, sunny days

• Warm nights and rainy days

• Hot days and humid nights

• Cold days and freezing nights