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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 |