Chapter 2 Que Cards

Card Set Information

Chapter 2 Que Cards
2013-09-24 15:48:26
science terms

science terms
Show Answers:

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

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

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

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

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

  6. Predator
    an organism that kills and consumes other organisms

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

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

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

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

  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
  12. Doubling time
    the period of time that is required for a population to double in size

  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

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

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

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

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

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