Chapter 2 Glossary Terms

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  1. Population Definition
    all the individuals of a species that occupy a particular geographic area at a certain time. e.g humans and deer
  2. Exponential Growth Definition
    accelerating growth that produces a J shaped curve when the population is graphed against time
  3. Limiting factors Definition
    a factor that limits the growth, distribution, or amount of a population in an ecosystem
  4. Carrying Capacity Definition
    the size of a population that can be supported indefinitely by the available resources and services of an ecosystem
  5. Ecological niche Definition
    the way in which an organism occupies a position in n ecosystem, including all the necessary biotic and abiotic factors
  6. Ecological Footprint Definition
    a measure of the impact of an individual or a population on the environment in terms of energy consumption, land use, and waste production
  7. Predator Definition
    an organism that kills and consumes other organisms e,g wolf
  8. Prey Definition
    an organism that is eaten as food by a predator
  9. Parasite Definition
    an organism whose niche is dependent on a close association with a larger host organism
  10. Mutualism Definition
    a symbiotic relationship between two species in which both species benefit from the relationship
  11. Competition Definition
    when two or more organisms compete for the same resource in the same location at the same time
  12. Sustainable use Definition
    use that does not lead to long term depletion of a resource or affect the diversity of the ecosystem from which the resource is obtained
  13. Doubling time Definition
    the period of time that is  required for a population to double in size
  14. Unsustainable Definition
    a pattern of activity that leads to a decline in the function of an ecosystem
  15. Sustainability Definition
    use of Earth's resources, including land and water, at levels that can continue forever
  16. Ecosystem Services Definition
    the benefits experienced by organisms, including humans that are provided by sustainable ecosystems
  17. Desertification Definition
    the change of non-desert land into desert, which may result from climate change or from unsustainable farming or water use
  18. Ecotourism Definition
    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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Chapter 2 Glossary Terms
Chapter 2 Glossary Terms
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