Chlorophyll
From PLANTFACTS.OSU.EDU
1. green pigments in plants that facilitate photosynthesis.

The green pigment in these leaves is chlorphyll.
Source: http://www.harcourtschool.com/glossary/science/define/gr5/chlor5a.html
1. green pigments in plants that facilitate photosynthesis.

The green pigment in these leaves is chlorphyll.
Source: http://www.harcourtschool.com/glossary/science/define/gr5/chlor5a.html