APES Chapter 5 Vocabulary Burger
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nicoleclose on November 29, 2011
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Nicole Close
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23 terms
Terms | Definitions |
|---|---|
 Commensalism | Symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed. |
| Ecological Succession | The gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established |
| Inertia | The tendency of an object to resist a change in its motion |
| Interspecific Competition | Competition for resources between individuals of two or more species when resources are in short supply. |
| Mutualism | Symbiotic relationship in which both species benefit from the relationship. |
| Nonnative species | Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans. Compare native species. |
| Parasitism | A symbiotic relationship in which one organism, the parasite, benefits at the expense of another, the host, by living either within or on the host. |
| Persistence | A fixed adherence to a resolve, course of conduct, or the like. |
| Predation | Relationship between species in which one species (prey) acts as a food source for another species (predator). |
| Primary Succession | A type of ecological succession that occurs in an area where there were originally no organisms present and where soil has not yet formed. |
| Resilience | The rate at which an ecosystem returns to its original state after a disturbance |
| Resource Partitioning | The division of environmental resources by coexisting species such that the niche of each species differs by one or more significant factors from the niches of all coexisting species |
| Secondary Succession | A type of succession that occurs where an existing community has been cleared by some disturbance that leaves the soil or substrate intact. |
| R-Select Species | Species that exibit a high-growth rate due to lack of competition in their niches |
| K-Select Species | Species that display traits associated with being near carrying capacity, invest more heavily in fewer offspring, each of which has a relatively high probability of surviving to adulthood |
| Intrinsic Rate of Growth | Rate of growth of a population when that population is growing under ideal conditions and without limits. |
| Environmental Resistance | All the limiting factors that tend to reduce population growth rates and set the maximum allowable population size or carrying capacity of an ecosystem |
| Carrying Capacity | largest number of individuals of a population that a environment can support |
| Logistic Growth | Growth rates regulated by internal and external factors that establish an equilibrium with environmental resources |
| Coevolution | The evolution of two or more species that is due to mutual influence, often in a way that makes the relationship more mutually beneficial |
| Limiting Factor | An environmental factor that causes a population to decrease. |
| Range of Tolerance | Range of chemical and physical conditions that must be maintained for populations of a particular species to stay alive and grow, develop, and function normally |
| Population | A group of individuals of the same species that live together in the same area at the same time |
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