Chapter 2 flashcards.

Card Set Information

Chapter 2 flashcards.
2014-09-23 17:52:37

Show Answers:

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