Chapter 2 Que Cards

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  1. Population
    all the individuals of a species that occupy a particular geographic area at a certain time

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  2. Exponential growth
    accelerating growth that produces a J-shaped curve when the population is graphed against time

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  3. Limiting factors
    factors that limit the growth, distribution, or amount of population in an ecosystem

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  4. Carrying capacity
    the size of a population that can be supported indefinitely by the availabel resources and services of an ecosystem

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  5. Ecological niche
    the way in which an organism occupies a position in an ecosystem, including all the necessary abiotic and biotic factors

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  6. Predator
    an organism that kills and consumes other organisms

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  7. Prey
    an organism is eaten as food by a predator

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  8. Mutualism
    a symbiotic relationship between two species in which both species benefit from the relationship

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  9. Parasite
    an organism whose niche is dependent in a close association with a larger host organism

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  10. Competition
    When two or more organisms compete for the same resource in the same location at the same time

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  11. Sustainable use
    • use that does not lead to a long-term depletion of a resource or affect the diversity of the ecosystem which the resource is obtained
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  12. Doubling time
    the period of time that is required for a population to double in size

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  13. Ecological footprint
    a measure of the impact of an individual or a population on the environment in terms of energy, consumption, land use, and waste production

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  14. Unsustainable
    a pattern of activity that leads to a decline in the function of an ecosystem

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  15. Sustainability
    use of earths resources including land and water, at levels that can continue forever

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  16. Ecosystem services
    the benefits experienced by organisms, including humans, that are provided by sustainable ecosystems

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  17. Desertification
    the change of non-desert land into a desert, which may result from climate change or from unsustainable farming or water use

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  18. Ecotourism
    a form of tourism that is sensitive to the health of the ecosystem and involves recreational activities provided by sustainable ecosystems

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Chapter 2 Que Cards
2013-09-24 19:48:26
science terms

science terms
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