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Ecosystem
| Term | Definition |
|---|---|
| Organism | Living thing |
| Habitat | Environment that provides the things a specific organism needs to live or grow and reproduce |
| Biotic factors | Parts of a habitat that are or were once alive and that intact with an organism |
| Abiotic factors | Nonliving parts of an organism habitat |
| Species | Group of organisms that can mate with each other and produce offspring |
| Population | All the members of one species living in a particular area |
| Community | All the different populations that live together in an area |
| Ecosystem | Community of organisms that live in a particular area along with the nonliving environment |
| Ecology | The study of how organisms interact with each other and with their environment |
| Population density | The number of individuals in an area of a specific size |
| Limiting factor | I am an environmental factor that causes the population to stop growing or to decrease in size, such such as fatal disease, disease infecting organisms. |
| Carrying capacity | The largest population that an area can support |
| Produces | An organism that can make its own food |
| Consumer | Obtains energy by feeding on other organisms |
| Carnivore | Consumer that eat only animals |
| Herbivore | Consumers that eat only plants |
| Omnivore | Consumer that eat plants and animals |
| Decomposer | Break down biotic wastes and dead organisms |
| Food chain | A series of events in which one organism eats another and obtain energy and nutrients |
| Food web | Consist of many overlapping food chains in an ecosystem |
| Niche | How an organism obtains its food, the type of food the organism eats, and what other organisms it eats. |
| Interactions | Takes place among a organism every day. |
| Competition | The struggle between organism to survive as they use the same limited resources. |
| Predation | An interaction in which one organism kills another for food or nutrients. |
| Symbiosis | Two species live closely together. |
| Commensalism | One species benefit and the other is neither helped or hamed. |
| Mutualism | Both species benefits. |