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| With group: Honors Biology - JFK | |
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| Term | Definition |
|---|---|
| parasitism |  symbiotic relationship where one individual benefits, but the host loses. The parasite generally lives on or in the host, and the host usually lives |
| biotic factors | living components of ecosystem that influence organisms |
| abiotic factors | non-living components of ecosystem that influence |
| mutualism | symbiotic relationship where both individuals benefit |
| symbiosis | relationship between two organisms |
| predator |  animal that consumers another animal |
| prey | animal being consumed by a predator |
| predation | symbiotic relationship where one individual consumes another |
| commensalism | symbiotic relationship where one individual benefits and the other is neither helped nor hurt |
| food chain | a series of steps in which organisms transfer energy by eating and being eaten; one way flow of energy |
| food web | pattern of feeding in an ecosystem consisting of interconnected and branching food chains |
| energy pyramid | model that shows the amount of energy at each trophic level |
| consumer | organisms that obtain food by eating other organisms |
| producer | organisms that make their own "food"; convert light or chemical energy into organic matter; first trophic level |
| decomposer | organism that consumes dead organic matter (dead plant and animal material) |
| independent variable | experimental factor that is varied in the experiment, The experimental factor that is manipulated; the variable whose effect is being studied. |
| dependent variable | the variable that is measured in an experiment |
| control group | the group that does not receive the experimental treatment. |
| constants | conditions that stay the same in the experiment |
| testable question | Question that can be answered with data from an experiment |
| host | organism that has a parasite living in or on it |
| parasite | organism that lives on or in another animal AND harms it in some way |
| carnivore | organism that obtains energy by eating animals |
| omnivore | organism that obtains energy by eating both plants and animals |
| herbivore | organism that eats only plants |
| trophic level | feeding level in an ecosystem |
| consumer | an organism that obtains energy by feeding on other organisms |
| autotroph | organism that , organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer |
| heterotroph | organism that obtains energy from the foods it consumes; also called a consumer |
| niche | organism's role in the environment; includes trophic level, habitat, |
| biomass | amount of organic material in an area |
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| Terms | 31 |
| Creator | sarahday |
| Created | September 23, 2009 |
| Group | Honors Biology - JFK |
| Subject | ecology |
| Access | Anyone |
| Edit | Creator Only |
