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The carbohydrates produced are stored in or used by the plant. Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and terrestrial vegetation.
Dark red and blue-green indicate regions of high photosynthetic activity in the ocean and on land, respectively. Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centres that contain green chlorophyll pigments.
Krebs cycle, to achieve the same end.