Kaleidoscope of Color

The changing seasons bring big changes in the trees. Test your knowledge about the colorful display played out in the trees each Fall.

0% 100% This quiz has 10questions.

1. What causes leaves to be green?
2. Color me surprised: carotenoid cause leaves to change this color:
3. Tannins not only make leaves turn brown, they are also found in this beverage:
4. When fall occurs, the tree cuts off the leaf's supply of this, causing the leaf to die.
5. The leaves of most evergreen trees stay on the tree for at least how many years?
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