Food Webs
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24 terms
Terms | Definitions |
|---|---|
 Food Web | A diagram showing all of the connected food chains in an ecosystem |
| Decomposer | An organism that breaks down dead organisms |
| Energy Pyramid | A diagram that shows how energy decreases as it travels through a food chain |
| Food Chain | A diagram showing how energy passes from one organism to the next in an ecosystem |
| Omnivore | An organism that eats both plants and animals |
| Carnivore | An organism that eats only other animals |
| Herbivore | An organism that eats only plants |
| Predator | The organism that hunts others for food. |
| Nutrients | Chemicals that living things can use to live and grow. |
| Producer | Organism that makes the food for an ecosystem. (aka autotroph) |
| Consumer | Organism that is eating others in a food chain. (aka heterotroph) |
| Autotroph | Any organism able to make its own food (aka Producer) |
| Heterotroph | An organism that has to eat its food (aka consumer) |
| 10% | Percentage of energy that is passed on to the next trophic level in an ecosystem. |
| Glucose | A type of sugar used by plants to store energy from the sun. |
| Tertiary Consumer | Third level consumer. Often top of the food chain |
| Primary Consumer | The 1st level consumer. Eats producers |
| Secondary Consumer | Eats 1st level consumers. Often is a predator and a prey |
| Quaternary Consumer | 4th level consumers. Food chains don't always go this far |
| Scavenger | An animal that eats other dead animals. |
| Trophic level | Each step in a food chain or food web |
| Sun | the ultimate source of energy |
| Carrying capacity | The largest population that an area can support |
| Limiting factor | factor that causes the growth of a population to decrease |
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