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Ch 18 Section 3
ch sec 3
| Question | Answer |
|---|---|
| Producer | Autotrophs that capture energy and use it to make organic molecules |
| Chemosythesis | They use energy stored in inorganic molecules to produce carbohydrates |
| Gross Primary Productivity | The rate at which producers in an ecosystem capture the energy of sunlight by producing organic compounds |
| Biomass | Organic material that has been produced in an ecosystem |
| Net Primary Productivity | The rate at which biomass accumulates |
| Consumer | Heterotrophes, or organisms that can not produce their own energy |
| Herbivore | eat producers |
| Carnivore | Eat other consumers |
| Omnivore | Eat both producers and consumers |
| Detritivore | Consumers that feed on garbage of an ecosystem |
| Decomposer | Detritivored that cause decay by breaking down comples molecules into simpler molecules |
| Trophic Level | Indecates the organism's position in a sequence of energy transfers |
| Food Chain | A Single pathway of feeding relationships among organisms in an ecosystem that results in energy tranfers |
| Food Web | Interrelated food chains in an ecosystem |
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celesteb34
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