Why Do the Deciduous Leaves on Temperate Forest Trees Turn

question 71

Multiple Choice

Why do the deciduous leaves on temperate forest trees turn from green to orange, red, and/or yellow before falling?

• A) The chlorophyll changes color as it's broken down.
• B) The chlorophyll is absorbed by the tree, leaving the other pigments visible.
• C) New photosynthetic pigments are created as the amount of daylight becomes limited.
• D) New pigments are created in response to colder temperatures.

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