![](http://www.alamy.com/thumbs/6/E823658D-294F-4C35-B45B-C68404536C57/A4R670.jpg)
leaf
Size: 5040px × 3360px
Photo credit: © Collpicto / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: autotrophy, carbon, chlorophylle, dioxyde, earth, fixation, growth, leaf, leaves, lung, nervure, oxygen, oxygenation, photosynthesis, primary, production, rib, vegetal, vein