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APSM Biology 4.5-4.7
APSM CA Biology Quiz 10 Ecology part 2
| Term | Definition |
|---|---|
| Commensalism | symbiotic relationship where one organism is benefited and the other neither harmer or helped |
| Competition | relationship in which two organisms compete for the same limited resource |
| consumer-resource interaction | interaction where one organism is benefited and the other is harmed |
| lichen | A mutualistic symbiosis between algae and fungi |
| mutualism | relationship in which both partners benefit |
| obligate mutualism | the interaction between species mutually benefits each other and one or both are unable to survive without the other |
| opportunistic species | adapt to & thrive in environments where they can exploit available resources |
| symbiosis | A close and regimented relationship between two organisms |
| zooxanthellae | single-celled organisms that live in symbiosis with many marine invertebrates |
| climax community | A mature community at the end of succession |
| community | All populations living together in one defined area |
| equilibrium | a state of ecological balance where diversity remains relatively stable |
| niche | All the optimal ranges of all the environmental factors make up this place where creatures live |
| optimal range | The best range of a factor (temperature, humidity, etc.) that a creature prefers |
| primary succession | Occurs on a completely new physical environment |
| secondary succession | Occurs when a climax community suffers disturbance and loses most vegetation |
| succession | a new community succeeds the existing one |
| tolerance range | range of values for an environmental factor in which an organism can survive |
| biome | Group of communities/ecosystems that have similar species and abiotic factors |
| desert | A biome that is very hot and gets very little rain |
| grassland | A biome of moderate temperature and rainfall |
| rainforest | A biome that is very hot and gets lots of rain |
| savanna | tropical grassland biome |
| taiga | aka northern coniferous forest, northern biome with long, harsh winters, dominated by conifers |
| temperate deciduous forest | biome with well-defined seasons, dominated by deciduous broadleaf trees |
| tundra | A cold, dry biome |
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