Friday, July 27, 2012

Autotroph

This is a tree in my front yard. It is an example of an autotroph; it makes its own food by photosynthesis which is a chemical reaction where CO2, H20, [inorganic] salts, and sunlight are combined to make the energy. A tree absorbs sunlight through its leaves and combines all of the ingredients within the chloroplatsts of cells.

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