Energy flow
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Transcript of Energy flow
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Energy Flow
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Energy Transfer
• Food Chains• Food Webs• Energy Pyramids
How energy (food, nutrients) move through an ecosystem
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Energy Pyramid
Shows how energy moves through an ecosystem.
Each level has less than the level below.
called Trophic levels.
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Trophic Levels
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Trophic LevelsEnergy moves from one organisms to another when it is eaten
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Trophic LevelsEnergy moves from one organisms to another when it is eaten
Each step in this transfer of energy is know as a trophic level
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Trophic LevelsEnergy moves from one organisms to another when it is eaten
Each step in this transfer of energy is know as a trophic level
The main trophic levels are producers, consumers, and decomposers
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Producers
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• A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (sugar/food)
Producers
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• A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (sugar/food)
• Called Producers because they produce all of the food that consumers use
Producers
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• A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (sugar/food)
• Called Producers because they produce all of the food that consumers use• Without producers, there would be no life on this planet
Producers
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• A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (sugar/food)
• Called Producers because they produce all of the food that consumers use• Without producers, there would be no life on this planet• not all producers have leaves but all use photosynthesis
Producers
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• A groups of organisms that can use the energy in sunlight to convert water and carbon dioxide into Glucose (sugar/food)
• Called Producers because they produce all of the food that consumers use• Without producers, there would be no life on this planet• not all producers have leaves but all use photosynthesis
• Plants and Algae
Producers
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Consumer
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Consumer
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Consumer• Organisms that do not make their own food
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Consumer• Organisms that do not make their own food• Must eat to survive
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Consumer• Organisms that do not make their own food• Must eat to survive• Consumer because they consume other
organisms in order to live
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– feed on the tissue of dead organisms (both plants and animals)
Vultures, Crows, and Shrimp
Scavengers
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– feed on the tissue of dead organisms (both plants and animals)
Vultures, Crows, and Shrimp
Scavengers
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Consumers which eat ONLY plantshave flat teeth good for grinding food
Herbivores
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Consumers which eat ONLY plantshave flat teeth good for grinding food
Herbivores
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CarnivoresConsumers which eat mostly meat
have sharp teeth good for ripping and tearing meat
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CarnivoresConsumers which eat mostly meat
have sharp teeth good for ripping and tearing meat
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Consumers which eat BOTH plants and animalshave both types of teeth
Omnivores
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Consumers which eat BOTH plants and animalshave both types of teeth
Omnivores
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consumers which absorb any dead material and break it down into simple nutrients or fertilizers
Essential to making soil rich enough to support producers!
Decomposers
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consumers which absorb any dead material and break it down into simple nutrients or fertilizers
Essential to making soil rich enough to support producers!
Decomposers
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