the five kingdoms of life
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- Posted on Aug. 03, 2012 at 10:07:58AM
Preview: ... ants Plants contain chlorophyll, a green pigment necessary for photosynthesis, a process in which plants convert energy from sunlight into food. Their cell walls are made sturdy by a material called cellulose, and they are fixed in one place. Plants are divided into two groups: flower- and fruit-producing plants a ...
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