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Why Are Leaves Green? Part 2

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  • 7 years ago
  • 618,461 views
  • 11,264 likes
  • 1,288 comments
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Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.

Thanks to ScienceAlert for support - http://www.sciencealert.com

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And twitter - http://twitter.com/MinuteEarth

MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes!

Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.

Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder

Papers referred to in the making of this video:
Blankenship, Robert E. 2010. Early evolution of photosynthesis. Plant physiology 154(2): 434-438. http://www.plantphysiology.org/content/154/2/434.full.pdf+html

Hohmann-Marriott, M. F., & Blankenship, R. E. 2011. Evolution of photosynthesis. Annual review of plant biology 62: 515-548. http://www.annualreviews.org/doi/abs/10.1146/annurev-arplant-042110-103811

Raven, J. A. 2009. Functional evolution of photochemical energy transformations in oxygen-producing organisms. Functional Plant Biology 36(6): 505-515. http://www.publish.csiro.au/?act=view_file&file_id=FP09087.pdf
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