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Ecosystem Vocabulary

QuestionAnswer
Abiotic none living
Biotic living
Decomposer simple organism, such as bacteria or fungus, that breaks down dead organisms and waste, returning important nutrients to the environment
Energy Pyramid a model of the flow of energy in a food chain; less energy is available at each level of the pyramid as you move towards the top.
Food Chain a pathway of energy and materials through a community
Food Web all the interconnecting food chains within a community
Predator consumers that hunt and kill other consumers
Scavenger consumers that eat other consumers that have already died
Biome a large region of land with a distinct climate and certain types of plant and animal life
Biosphere the part of the Earth that is able to support life
Carnivore an animal that feeds on other animals, such as a wolf
Carrying Capacity largest number of individuals of a particular species that an ecosystem can support over time
Community all of the populations sharing a specific area or region; for example, all the organisms in a lake
Consumer organisms that cannot make their own energy
Ecology study of interactions of organisms with each other and their environment
Ecosystem all the living populations in an area along with the nonliving parts of that environment
Habitat the place in an ecosystem where an organism lives
Herbivore an animal that feeds only on plants, such as a deer
Niche role that a species plays in a living community or ecosystem
Omnivore an animal that feeds on both plants and animals; for example, a raccoon
Photosynthesis chemical process by which plants use light energy to make sugar from water and carbon dioxide
Population all the members of a species living in a particular area at a particular time
Producer organism that makes its own food, such as a plant or a photosynthetic alga
Created by: LWWoodard
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