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Phot. and Resp.

Mr. Tyler's class, we are being tested on Respiration and Photosynthesis

Autotroph an organism that makes it's own food/ energy (independent) ie. Plants.
Heterotroph an organism that depends on other organisms to supply their energy/food (dependent) ie. humans and animals
Chlorophyll a green pigment in the chloroplast
Stomata opening in the underside of a leaf. Lets out oxygen and brings in carbon dioxide.
Photosynthesis The process by which a plant captures energy from the sun- chlorophyll absorbs the energy in the chloroplasts- (stage one) uses sun energy, carbon dioxide, and water to make the sugars for energy/food (stage 2)
Carbon dioxide+water---->Light energy=sugar+oxygen photosynthesis, opposite for respiration
respiration cells break down sugars and release the energy
stage one (respiration) in the cytoplasm, molecules of glucose are broken down into smaller molecules
stage two (respiration) in the mitochondira, the smaller molecules use oxygen to further break down the molecules which release energy
sugar+oxygen ----> carbon dioxide + water + energy respiration
Fermentation when the body can't supply the cells oxygen anymore, fermentation supplies the cells with energy without using oxygen.
2 kinds of fermentation- alcoholic: occurs in yeast lactic acid: occurs in muscles in body
Created by: sarahy