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Ecology
Biology Unit 7
| Term | Definition |
|---|---|
| Habitat | all of the biotic & abiotic factors in the area where an organism lives (where an organism lives) |
| Niche | all of the physical, chemical, and biological factors that a species needs to survive (how an organism lives) |
| Fundamental Niche | where it could be |
| Realized Niche | where it actually is |
| Intraspecies Competition | within a species; compete for mates, food, water, shelter |
| Interspecies Competition | between members of different species; for food, water, shelter, nutrients, light, etc. |
| Symbiosis | ongoing interaction between members of 2 different species |
| Mutualism | both species benefit |
| Commensalism | one species benefits; the other is unaffected |
| Parasitism | one species benefits; the other is harmed |
| Succession | series of events that occurs as an ecosystem “matures” |
| Primary Succession | when there was no soil there before |
| Pioneer Species | first species to inhabit land during succession; often a moss or lichen |
| Climax Community | fully mature group of organisms present at the “end” of succession |
| Secondary Succession | when there had been soil – and life – there before, but it is starting over |
Created by:
SLYHS2018
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