Ecology Glossary Terms Chapter 2

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Author:
Hareem.A
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283933
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Ecology Glossary Terms Chapter 2
Updated:
2014-09-23 19:26:55
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ecology science day
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Glossary terms for Chapter 2 of the ecology unit
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  1. Population
    Any specific species that inhabits a specific place, or specific species.

    Example; Humans currently on Earth, Giraffes in Kenya 1988 etc.
  2. Exponential Growth
    The growth of population that produces a J-shape when graphed.

    • Example;
  3. Limiting Factors
    Anything that limits the grown, distribution or amount of a population.

    Example; Global Warming in the North, decreases the population size of Polar Bears because the temperature decreases majorly, and they can't adjust to it.
  4. Carrying Capacity
    A certain population amount that the ecosystem and it's resources can indefinitely support.
  5. Ecological Niche
    The biotic and abiotic factors of an organism's "job" in an ecosystem.

    Example; Brown bat's regulate the insect population, and that serves as it's "job" or purpose in the ecosystem.
  6. Predator
    An organism that kills and then feeds upon another organism.

    Example; Lions to zebras.
  7. Prey
    An organism that is being consumed for food by another organism.

    Example; Zebras to lions.
  8. Mutualism
    Symbiosis in which both organisms benefit.

    Example; Algae and coral.
  9. Parasitism
    Symbiosis in which only one organism benefits.

    Example; Lice on humans, the lice benefit from the human blood, and humans don't benefit in any way.
  10. Competition
    When two, or more organisms compete for resources.

    Example; All the animals in a forest are competing for the same resources.
  11. Sustainable Use
    Resource use that doesn't affect negatively in the long run.
  12. Doubling Time
    The amount of time it takes for a species to double its population.

    Example; Current human doubling time is 60 years.
  13. Ecological Footprint
    A measure of how much land use, waste production and energy consumption a species or individual produces.

    Example; The ecological footprint of Japan is 6 hectares per person.
  14. Unsustainable
    A pattern of activity that makes the ecosystem not function as well as it usually does.

    Example; Brown bats NOT regulating the population of insects.
  15. Sustainability
    The usage of the Earth resources, at a rate that they become indefinite.
  16. Ecosystem Services
    The benefits of an ecosystem to its organisms.

    Example; Trees prevent drought, cooler climate and reducing erosion in watersheds.
  17. Desertification
    When a non-desert land, turns into a desert.

    Example; Norfolk County in Southern Ontario, the settlers used the resources to an extreme and ended up making the place into a desert, but it was reforested years later.
  18. Ecotourism
    Tourism and recreational activities provided by a sustainable ecosystem.

    Example; Snowshoeing, sledding, water skiing, hiking, fishing.
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