Topic

chlorophyll

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Forest canopy in peak autumn color with red, orange, and yellow leaves

Nature & Biology

Why Do Leaves Change Color in Autumn?

Leaves change color because trees break down green chlorophyll in autumn, revealing yellow and orange pigments and sometimes producing red pigments.

leavesautumn

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Editorial illustration of a leaf with chlorophyll molecules and sunlight absorption

BOTANY

Why Are Leaves Green?

leaveschlorophyll

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