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EQ: How does energy from the sun move through an ecosystem? Energy Flow and Food Webs What are Producers? → Organisms that can make glucose through the process of photosynthesis (plants). Radiant Energy (through the cholorophyll) Carbon Dioxide (through the stomata) Oxygen Glucose (Sugar) What is Photosynthesis? → the process by which Water (from the roots) producers use sunlight to synthesize glucose from carbon dioxide and water. → Occurs inside the chloroplasts inside the cells of the leaves. → Chlorophyll inside the leaves is the pigment that absorbs the sunlight. Chloroplast Chlorophyll Importance? → Most of the oxygen in the atmosphere comes from plants. Living, breathing organisms must have oxygen. → Photosynthesis provides energy for living organisms. Living organisms must have energy. What is a Consumer? → any organism that cannot make it’s own food for energy. What are Primary Consumers? → leftover stored energy made during photosynthesis flows from producers to the organisms that eat them. → herbivores (plant eaters) or omnivores (meat and plant eaters). → some energy is lost as heat. What are Secondary Consumers? → leftover stored energy from primary consumers is available for the secondary consumers that eat them. → carnivores (meat eaters) or omnivores. → some energy is lost as heat. What are Tertiary Consumers? → leftover stored energy from secondary consumers is available for the consumers that eat them. → carnivore or omnivore → some energy is lost as heat. What are Scavengers? → consumers that eat other consumers that are already dead. What are Decomposers? → organisms that breakdown dead or decaying organisms. What is a food chain? → the transfer of energy from the sun to producer to primary consumer, to secondary consumer, to tertiary consumer. → this is energy flow in an ecosystem. What are food webs? → interconnected food chains that show the feeding relationships in an ecosystem. What are Food Pyramids? → show the amount of energy available at each energy source level (trophic level). → show how much energy is needed to support that the next trophic level. What are organic compounds? → matter that is made of mixtures of CARBON and other elements like sulfur, hydrogen, oxygen, phosphorous, and nitrogen. (Carbon SHOPN)