Why and how leaves turn colors in the fall (and why they fall off!)

  Рет қаралды 92

United States Botanic Garden

United States Botanic Garden

8 ай бұрын

Did you know yellow fall colors were already in the leaf but most red pigments are created new in the fall? Destiny, AAAS fellow at USBG, shares the science behind why leaves turn colors and fall off each autumn!

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