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Photosynthetic organisms are producers.

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Presentation on theme: "Photosynthetic organisms are producers."— Presentation transcript:

1 KEY CONCEPT The overall process of photosynthesis produces sugars that store chemical energy.

2 Photosynthetic organisms are producers.
Producers make their own source of chemical energy. Plants use photosynthesis and are producers. Photosynthesis captures energy from sunlight to make sugars.

3 Chlorophyll is a molecule that absorbs light energy.
chloroplast leaf cell leaf In plants, chlorophyll is found in organelles called chloroplasts.

4 Photosynthesis in plants occurs in chloroplasts.
Photosynthesis takes place in two parts of chloroplasts. grana (thylakoids) stroma chloroplast stroma grana (thylakoids)

5 The light-dependent reactions capture energy from sunlight.
take place in thylakoids water and sunlight are needed chlorophyll absorbs energy energy is transferred along thylakoid membrane then to light-independent reactions oxygen is released

6 The light-independent reactions make sugars.
take place in stroma needs carbon dioxide from atmosphere use energy to build a sugar in a cycle of chemical reactions

7 The equation for the overall process is:
6CO2 + 6H2O  C6H12O6 + 6O2 C6H12O6 granum (stack of thylakoids) thylakoid sunlight 1 six-carbon sugar 6H2O 6CO2 6O2 chloroplast 1 2 4 3 energy stroma (fluid outside the thylakoids)

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