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Matter and Energy
Types of organisms in an ecosystem and matter cycles
| Term | Definition |
|---|---|
| autotroph | an organism that makes its own food using the light from the sun |
| producer | an organism that makes its own food using the light from the sun (another word for autotroph) |
| heterotroph | an organism that eats other organisms to gain energy |
| consumer | an organism that eats other organisms to gain energy (another word for heterotroph) |
| decomposer | an organism that breaks down waste to gain energy |
| food chain | the order in which food and energy moves from producers to consumers |
| food web | several food chains connected together |
| primary consumer | an organism that eats producers |
| secondary consumer | an organism that eats primary consumers |
| apex predator | an organism at the top of a food chain that eats secondary consumers |
| energy pyramid | a model that shows how energy is lost between each feeding level |
| carbon cycle | the transfer of carbon and oxygen between organisms and the atmosphere |
| water cycle | the circulation of water between the earth's atmosphere and land |
| nitrogen cycle | the movement of nitrogen between the atmosphere, organisms, and the soil |
Created by:
kscicchitano
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