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Ecosystems
| Term | Definition |
|---|---|
| ecosystem | A place where living and nonliving things interact together. |
| biome | The large area where different plants and animals live (many ecosystems). |
| organism | Any living thing. |
| biotic | Living parts in an environment. |
| abiotic | Nonliving parts of an environment. |
| mutualism | A relationship in which both organisms benefit |
| producer | Organisms that make their own food. Example: plants |
| consumer | Organisms that cannot make their own food so they need to eat. Example: animals |
| food chain | The relationship between organisms in an ecosystem that explains how nutrients and energy are passed between those organisms |
| food web | A combination of many food chains. |
| autotroph | An organism that makes its own food |
| herbivore | Animals that eat only plants. |
| omnivore | Animals that eat both plants and animals. |
| carnivore | Animals that eats only animals (meat eater). |
| migration | Animals travel to other places where the weather is warmer or they can find food. |
| hibernation | A very deep sleep. The animal's body temperature drops, and its heartbeat and breathing slow down. |
| decomposer | They break down the unused dead material and turn them into nutrients in the soil, which plants use to grow |
| adaptation | A change animals make to survive in their environment. |
| heterotroph | An organism that has to find its own food |
| commensalism | A relationship where one organism benefits and the other is not affected |
| detritus | The dead and decaying matter of plants and animals at the bottom of a pond |
| community | All the living organisms in an area (all the populations) |
| population | A group of organisms of the same species |
| succession | The life cycle, or the gradual change over time that a pond goes through |
| decomposer | An organism that breaks down organic matter |
| cyst | The protective covering of a microorganism that protects it until suitable conditions are met |