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EcosystemInteraction
Unit 7 Vocabulary
| Term | Definition |
|---|---|
| consumer | an organism that eats other organisms (plants or animals) for food |
| decomposer | an organism that gets energy by feeding on dead materials and waste |
| ecosystem | all the living organisms (producers, consumers and decomposers) in an area and all the nonliving components (air, water, soil, etc.) with which they interact |
| food chain | a representation of the flow of energy from the sun through producers to consumers and decomposers in an ecosystem |
| food web | a representation of overlapping food chains in an ecosystem; multiple pathways of the flow of energy from the sun through producers to consumers and decomposers |
| model | a picture, idea, or object we use to help us better understand a real system, process or object; has advantages and limitations we need to analyze to better understand |
| organisms | a living thing that carries out life processes and functions on its own; plants, animals and bacteria are examples |
| overpopulation | having too many people or other organisms in a particular area, straining available resources and impacting the environment |
| producer | an organism that makes its own food through energy from the sun; plants are an example |
| living | things that are alive; organisms including plants, animals, fungus and bacteria |
| nonliving | things that are not alive such as water, air and soil |
| population | all the members of one species living in an area |
| community | all the different species of organisms living in a particular area |
| biotic | the living components of an ecosystem; producers, consumers, decomposers and the dead remains of once living organisms |
| abiotic | the nonliving components of an ecosystem; examples include air, water, soil and man-made structures |
| photosynthesis | process by which producer/plants use energy in sunlight to create their own food |
| dependent | to rely on someone or something else |
| interact | act in such a way as to have an effect on something |
| primary consumer | an animal that feeds on producers; a herbivore |
| secondary consumer | a consumer that feeds on the animals that feed only on plants; a consumer that feeds on herbivores |
| habitat | the natural home environment of an organism |
| invasive species | an organism that is not native to an ecosystem and causes harm to the environment |
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Plainview 5th
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