Grade 9 Ecology Chapter 2

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  1. Population
    All the individuals of a species 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 Factor
    A factor that limits the growth, distribution, or amount of a population in an ecosystem
  4. Carrying Capacity
    The size of a population that can be supported indefinitely by the available resources and services of an ecosystem
  5. Ecological Niche
    The way that an organism occupies position in an ecosystem, including all the necessary biotic and abiotic 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 symbiotic relationship between two species in which both species benefit from the relationship
  9. Parasite
    An organism whose niche is dependent on 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.
    • eg: Crops and weeds
  11. Sustainable Use
    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.
  12. Doubling time
    The period of time that is required for a population to double in size
  13. Ecological Footprint
    A measure of he 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. Sustainablility
    Use of Earth's resources, including land and water, at levels that can continue forever
  16. Desertification
    The change of non-desert land into a desert; desertification may result from climate change and unsustainable farming or water
  17. Ecotourism
    A form of tourism that is sensitive to the health of an ecosystem and involves recreational activities provided by sustainable ecosystems
Card Set
Grade 9 Ecology Chapter 2
Chapter 2 vocab
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