Annaleis Pauletti - Trophic Levels Notes (student)
Trophic Levels Notes |
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Vocab Term | Definition | Images/Notes |
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Energy | The ability to do work or function. Represented by the arrows in a food chain/web. | |
Trophic Level | The place an organism has in the food chain.
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Food Chain | A diagram that shows a single pathway of energy from one organism to another in an environment. | |
Food Web | A diagram showing the interconnections of many different food chains in an environment. | |
Energy Pyramid | A diagram that shows the flow of energy in an ecosystem and demonstrates how food energy decreases as you move up the | |
Equilibrium | A stable situation in which biotic and abiotic factors are balanced. If an ecosystem is in equilibrium, the populations will not change much. | |
Producer | An organism that can make its own food/energy. Also known as an autotroph.
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Photosynthesis | The process by which plants use sunlight, carbon dioxide and water to produce glucose (food) and oxygen. | |
Consumer | An organism that feeds on other organisms. Also known as a heterotroph.
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Herbivore | A consumer that ONLY eats plants
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Carnivore | A consumer that ONLY eats other animals.
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Omnivore | A consumer that eats both plants and animals.
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Decomposer | An organism that breaks down the cells of dead organisms and returns the nutrients to the soil.
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Detritivore | A special kind of consumer that eats detritus (decaying plant and animal material)
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Scavenger | A special kind of carnivore that eats carrion (meat from the dead animals, they don’t kill it)
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