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Producers and Consumers • Producers are organisms that make their own food using air, sunlight, and water • Such as, green plants and algae • Photosynthesis is the process by which green plants make their own food using the sun’s energy, water and carbon dioxide. Formula: Sunlight + CO2 + Water (H20) O2 + Glucose (C6H12O6) • Photosynthesis occurs in the chloroplasts • Leaves have little openings called stomata • These stomata on the leaves are used for gas exchange 1.SUN 2.PRODUCERS 3. CONSUMERS 4. DECOMPOSER • Consumers cannot make their own food • Consumers are organisms that must eat other organisms (plants or animals) for their food • What are plant-eating consumers called? -Herbivores • What are meat-eating consumers called? -Carnivores • What are consumers that eat both plants and animals called? -Omnivores • What are consumers that eat dead plants or dead animals called? -Scavengers • Primary (1°) Consumers = “first eaters” • Secondary (2°) Consumers = “second eaters” • Tertiary (3°) Consumers = “third eaters” The mouse is the primary consumer • • The cat is the secondary consumer