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paulmckeand
on FreezingBlue Flashcards.
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Population
The number of a certain organism, in a defined area.
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Exponential growth
Accelerating growth that produces a j-shaped curve when graphed against time.
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Limiting Factors
A factor that limits the growth, distribution or amount of population in an ecosystem.
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Carrying Capacity
The size of population that can be supported by the available resources and services in a ecosystem.
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Ecological Niche
The way that a organism occupies a position in an ecosystem, including all abiotic and biotic factors.
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Predator
An organism that kills and consumes other organisms.
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Prey
An organism that is eaten as food by a predator.
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Mutualism
A relationship between 2 species in which both species benefit from the relationship.
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Parasite
An organism that's niche is dependent or closely association with a larger host organism.
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Competition
When two or more species compete for the same resource in the same place at the same time
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Sustainable use
Use of a resourse at a rate that can continue forever
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Doubling time
The time it takes for a population to double.
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Ecological footprint
A measure of the impact of an individual or a population on the environment in land use waste production and energy consumption .
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Unsustainable
A pattern of activity that leads to a decline in the function of an ecosystem.
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Sustainability
Use of the earths resources including land and water at levels that can continue forever.
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Eco-system services
the benefits experienced by organisms, including humans that are provided by sustainable ecosystems.
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Desertification
The change of non-desert space into desert which may result from climate change or from unsustainable farming or water-use.
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Eco-tourism
A form of tourism that is sensitive to the health of an ecosystem and involves recreational activities provided by sustainable ecosystems.
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