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Ecosystem and Biome
| Term | Definition |
|---|---|
| ecosystem | A community and its physical environment and how the two interact |
| biome | A large scale ecosystem |
| community | All the populations of organisms living in the same environment |
| habitat | A place in an ecosystem where a population lives |
| niche | The role each population has in its habitat |
| consumer | An organism in a community that must eat to get the energy it needs |
| decomposer | A consumer that breaks down the tissues of dead organisms. Also known as recyclers |
| producer | An organism that makes its own food |
| food web | Shows the interaction among many different food chains in a single ecosystem |
| food chain | The way energy is transferred through organisms in an ecosystem. Organisms eat other organisms in the ecosystem. |
| grassland | A biome whose main plants are grasses |
| coniferous forest/taiga | A biome with mountainside forests and tall, narrow trees that grow close together, have thick bark and pine needles |
| tundra | A treeless biome between the icecap and the tree line of the arctic regions; has permanently frozen subsoil |
| biotic | Having to do with life, living organisms, or caused by living organisms |
| abiotic | NONLIVING things in an ecosystem (sunlight, air, weather, water, soil, etc.) |
| predator | An organism that lives by preying on other organisms |
| organism | A form of life, such as a plant, animal, or bacterium |
| marine/ocean | Of or relating to the sea |
| freshwater | Of, or relating to living in water that isn’t salty |
| estuary | The place where freshwater and salt water mix |
| desert | A biome with less than 10 in of rainfall per year. |
| population | All the individuals of the same kind, living in the same environment |
| herbivore | An animal that eats only plants as food |
| carnivore | An animal that eats only other animals as food |
| omnivore | An animal that eats both plants and animals as food |
| prey | An animal that is hunted, killed and eaten by a predator animal |
| energy pyramid | Shows the amount of energy that is available to pass from one level of the food chain to the next |
| tropical rainforest | A biome with lots of rainfall, sunlight, high temperatures, and trees |
| deciduous forests | A biome with trees that lose their leaves each fall |
| endangered species | A population of organisms that is likely to become extinct if steps are not taken to save it |
Created by:
mrstwilliams
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