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Biology 3 1
 

Biology 3 1

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    Biology 3 1 Biology 3 1 Presentation Transcript

    • What is Ecology? 3.1
    • Ecology
      Scientific study of interactions among organisms and between organisms and their environment.
    • Biosphere
      Part of Earth in which life exists including land, water, and air or atmosphere.
    • Species
      Group of similar organisms that can breed and produce fertile offspring.
    • Population
      Group of individuals of the same species that live in the same area.
    • Community
      Assemblage of different populations that live together in a defined area.
    • Ecosystem
      Collection of all the organisms that live in a particular place, together with their nonliving environment.
    • Biome
      Group of ecosystems that have the same climate and dominant communities.
    • Key Concept
      What different levels of organization do ecologists study?
      To understand relationships within the biosphere, ecologists ask questions about events and organisms that range in complexity from a single individual to the entire bioshpere.
    • Key Concept
      What methods are used to study ecology?
      Regardless of the tools they use, scientists conduct modern ecological research using three basic approaches: observing, experimenting, and modeling. All of these approaches rely on the application of scientific methods to guide ecologists inquiry.