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19 Cards in this Set
- Front
- Back
animal that eats only other animals
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carnivore
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organism that cannot make its own food
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consumer
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an organism that breaks down dead organisms and wastes produced by living things
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decomposer
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the study of the interactions between living things and their environment
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ecology
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animal that feeds on other animals and plants
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omnivore
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animal that eats only plants
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herbivore
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a process that producers use to make their own food using energy from sunlight
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photosynthesis
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organism that uses energy from the sun or other chemical reactions to make its own food
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producer
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single-celled, animal-like protist
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protozoan
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organism that feeds on dead animals
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scavenger
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an illustration of how food moves through an ecosystem
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food chain
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a model more complex than a food chain that describes how food moves through an ecosystem
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food web
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an organism that eats producers
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primary consumer
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organism that eats herbivores
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secondary consumer
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organism, such as a predator, at the top of the energy pyramid
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tertiary consumer
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the process through which carbon moves between the living and nonliving environment
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carbon cycle
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a type of soil bacteria that can change nitrogen in the atmosphere to a form plants can use in their roots
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nitrifying bacteria
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the process through which nitrogen moves from the atmosphere to the soil, to living organisms, and back to the atmosphere
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nitrogen cycle
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the process through which phosphorus moves from the soil, to producers/consumers, and back to the soil
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phosphorus cycle
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