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5th Grade Ecosystems
| Question | Answer |
|---|---|
| ecology | science concerned with the relationship of living things to each other and to their natural environment |
| ecosystem | An interconnected community of organisms interacting with and depending on one another and the physical environment |
| environment | everything that surrounds an organism and influences it |
| food chain | a graphic which traces energy flow in an ecosystem; for example: sun>;water plants>;fish>;raccoon |
| model | A small-scale version of a system that shows how the system works. |
| organism | a living thing |
| adaptation | a change in order to fit a new situation or use |
| biodiversity | a wide variety of organisms |
| carnivore | a consumer which gets its energy by eating only meat/animal flesh |
| consumer | An organism that gets energy from eating other organisms. |
| fertile | rich in nutrients |
| forest | An area of land densely populated with trees. |
| germination | process by which seeds swell up and begin to sprout and develop roots |
| grassland | A large |
| herbivore | a consumer which gets its energy by eating only plants and vegetation |
| omnivore | a consumer which gets its energy by eating both plants and meat/animal flesh |
| producer | an organism that can make its own food through the process of photosynthesis |
| terrarium | a closed glass or plastic container where terrestrial (land) organisms can live and be observed |
| terrestrial | Having to do with land or the Earth. |
| aquatic | Having to do with water. |
| decomposer | An organism that gets its energy from breaking down decaying organic material. The role of decomposers is the recycling of nutrients throughout the ecosystem. |
| photosynthesis | The process by which plants use carbon dioxide and sunlight to create sugar for themselves for food |
| producer | Any organism that makes its own food from the sun's light using photosynthesis. |
| radiation | A way that heat energy can travel. Radiation occurs when heat energy leaves its source and travels through water or air to reach its destination. |
| consumer | An organism that gets energy from eating other organisms. |
| decomposer | An organism that gets energy from breaking down decaying organic material. Decomposers are responsible for recycling nutrients in an ecosystem. |
| food chain | The way energy flows in a straight line as it passes from one organism to another. |
| niche | The specific role an organism plays within its ecosystem. |
| symbiosis | A close, prolonged relationship between two organisms of different species that may benefit the organism, but may not |
| niche | An organism's specific role within an ecosystem that it has adapted to in order to survive. |
| symbiosis | A close, prolonged relationship between two different species where one or both species may be helped to survive by the other. |
| pollutant | A substance which when introduced into an ecosystem has a negative effect on the organisms living within. |
| control | The variable in an experiment which is kept the same to ensure accuracy. |
| Fair Test | An experiment where only one thing is changed |
| variable | The element of an experiment that is changed or tested. |
Created by:
mam0615
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