Unit 7 Chapter 1 Word Scramble
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| Term | Definition |
| Habitat | The place within an ecosystem where an organism lives; provides the biotic and abiotic factors an organism needs to survive and reproduce. |
| Population | All the organisms of the same species that live in the same area at the same time. |
| Community | All the populations living in an ecosystem at the same time. |
| Niche | The way a species interacts with abiotic and biotic factors to obtain food, find shelter and fulfill other needs. |
| Predation | The act of one organism, the predator, feeding on another organism, its prey. |
| Symbiosis | A close, long-term relationship between two species that usually involves an exchange of food or energy. |
| Carrying Capacity | The largest number of individuals of one species that an ecosystem can support over time. |
| Producer | An organism that uses an outside energy source, such as the Sun, and produces its own food. Also known as an autotroph. |
| Consumer | An organism that cannot make its own food and gets energy by eating other organisms. Also known as a heterotroph. |
| Detritivore | An organism that consumes the bodies of dead organisms and wastes produced by living organisms. |
| Food Web | A model of energy transfer that can show how the food chains in a community are interconnected. |
| Energy Pyramid | A model that shows the amount of energy available in each link of a food chain. |
| Renewable Resource | A natural resource that can be replenished by natural processes as quickly as it is used. |
| Nonrenewable Resource | A natural resource that is used up faster than it can be replaced by natural processes. |
| Resource Depletion | The exhaustion of one or more resources in an area. |
| Ecosystem | A community of living things and their nonliving environment interacting as a unit. |
| Abiotic factor | The nonliving parts of an ecosystem. |
| Biotic factor | The living or once-living parts of an ecosystem. |
| Invasive species | Harmful species not native to a region. |
| Food chain | A simple model that shows how energy moves from a producer to one or more consumers through feeding relationships. |
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