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LESSON SEVEN

Photosynthesis and Light 7-3 

Light Spectrums

Wavelength

Visible to the
human eye

Used in pho-
tosynthesis

Used in
flowering

Infrared
(longest rays)

 

   

Red

X

X

X

Orange

X

 

X

Yellow

X

 

X

Green

X

 

X

Blue

X

X

 

Indigo

X

X

 

Violet

X

X

 

Ultraviolet
(shortest rays)

     

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