Ecosystems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Environment | the surroundings that an organism lives in
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| Ecosystem | all the populations and nonliving things interacting in an environment form
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| Population | all the organisms of the same species that live in the same place at the same time
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| Producers | organisms that make their own food
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| Consumers | organisms that get energy by eating other organisms
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| Decomposers | organisms that get energy by feeding on dead materials and wastes
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| Community | populations of different kinds of organisms that live in the same place at the same time
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| Habitat | the environment where an organism lives
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| Niche | the role that an organism plays in its habitat
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| Food Chain | the path of food energy from one organism to another in an ecosystem
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| Food Web | overlapping food chains with different pathways for the flow of food energy in an ecosystem
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| Photosynthesis | the process that plants use to make their own food
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| Chlorophyll | a green pigment in plants that allows a plant cell to use light to make food
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| Energy Pyramid | a diagram that shows how much energy is passed from one organism to the next at each level in a food chain
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| Extinction | a plant or an animal species that is no longer living or existing
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| Succession | a gradual change of the kinds of organisms in an ecosystem
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