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Ecosystem Vocabulary
| Question | Answer |
|---|---|
| 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 |