2. Leaf Structure and Photosynthesis Standard Grade Biology

3. Photosynthesis Green plants (producers) can use light energy to make their own food This process is called photosynthesis Green plants are green because they contain a chemical called chlorophyll. This chemical is used to trap light energy.

4. Chlorophyll is contained in the chloroplasts of plant cells Light energy is used to change carbon dioxide and water into starch and oxygen The word equation for photosynthesis is carbon + waterstarch + oxygen dioxide Light energy

5. Structure of a leaf

6. Starch Test a Leaf

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