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  1. Illinois DNR
  2. Conservation
  3. Forestry Resources
  4. Urban and Community Forestry

What is a Tree and How it Works

How a Tree Works  by TreePeople; 1:48 minutes; Published on Sep 4, 2012 Discusses photosynthesis and respiration processes. Do you know how trees create and use energy? It's important to know since all practices of planting, pruning, and caring for trees are dependent on tree's energy system. This video provides a simple understanding of photosynthesis and respiration to assist you in your tree work. Grow your knowledge...and your trees! 

Talking Trees: Fact or Fiction?  by Davey Tree;  4:26 minutes; -  A quiz like approach to learning the answers to common questions about tree related problems.

The Most Amazing Thing About Trees  by Veritasium; 7:22 minutes;    Published on Oct 30, 2012 So many people helped with this video: Prof John Sperry, Hank Green, Henry Reich, CGP Grey, Prof Poliakoff, my mum filmed for me in beautiful Stanley Park and Jen S helped with the fourth version of the script.  Note:  trees release oxygen not water)
 

Forest Fast Breaks - Photosynthesis by Dovetail Partners; Inc. 1:23 minutes.  This video from the series of forest fast break videos features Photosynthesis. Here is the link to other Forest Fast Break Videos.

 

Forest Fast Breaks - Tree Biology by Dovetail Partners; Inc. 2.19 minutes.  This video from the series of forest fast break videos features Tree Biology. Here is the link to other Forest Fast Break Videos.