ECOSYSTEMS TEST Biol2A2B
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Created by:
russ6258 Teacher on April 9, 2011
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20 terms
Terms | Definitions |
|---|---|
 biotic factor | living parts of an ecosystem |
| abiotic factor | nonliving parts of an ecosystem |
| population | groups of individuals that belong to the same species and live in the same area |
| species | group of similar organisms that can breed and produce offspring |
| community | a group of interdependent organisms inhabiting the same region and interacting with each other |
| ecosystem | an area in which living and nonliving things interact. |
| herbivore | a consumer that eats only plants or other producers |
| mutualism | a close realtionship between two more organisms in which all organisms benefit. |
| omnivore | a consumer that eats bnoth plants and animals |
| parasitism | a relationship between two organisms in which one organism lives on or in the other, feeds upon it, and usually harms it |
| producer | an organism that makes its own food through photosynthesis |
| carnivore | a consumer that eats only other animals |
| commensalism | a close relationshiop between two kinds of organisms that benefits one of the organisms while neither benefiting nor hurting the other. |
| consumer | a living thing that obtains energy by eating other living things |
| decomposer | a living thing that breaks down the remains of dead organisms |
| symbiosis | a relationship betweeen two kinds of organisms that lasts over time |
| predator | an animal that hunts other animals for food |
| prey | a living thing that is hunted for food |
| chlorophyll | a green chemical in plant cells that allows plants to use the Sun's energy for making food |
| fungi | living organism that gets their energy by breaking down dead animals and plants- example of a decomposer |
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