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Food Webs
| Question | Answer |
|---|---|
| Producers are also called this | autotrophs |
| Producers have this name because they do what? | Produce their own food |
| What is a producer? | An organism that makes its own food |
| What is photosynthesis? | A process by which organisms produce food using sunlight, CO2 and water |
| What is a consumer? | An organism that must consume other organisms for nutrients. |
| Consumers are also called this | heterotrophs |
| What is an herbivore? | an organism that only eats plants (producers) |
| What is an omnivore? | An organism that eats both consumers and producers |
| What is a carnivore? | An organism that eats only consumers (meat) |
| What is a decomposer? | Organisms that break down waste and the remains of dead plants and animals. |
| What 2 important jobs do decomposers have? | Break down dead organisms and put nutrients back into soil |
| What is a food chain? | Single energy path through the ecosystem |
| What is a food web? | Interacting food chains that show the flow of energy in an ecosystem. |
| Define trophic levels | An organism's position in a food chain, classified by its eating behavior |
| Define energy transfer | Transfer of energy from the sun through the different trophic levels. |
| Where is the most energy available on the energy pyramid? | at the bottom |
| What is a third level consumer called? | Tertiary consumer |
| What is a fourth level consumer called? | Quaternary consumer |
| How much energy moves from one trophic level to the next level? | 10% |
| Where does the other 90% of energy go that is lost from one trophic level to the next? | The animal uses it for daily body processes to make heat |
| Can organisms be in more than one trophic level | Yes because they may be part of more than one food chain |
| Primary consumers are always... | herbivores |
| What is an apex predator? | An animal at the top of the food chain who does not have any natural predators |
Created by:
jsheahan
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