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Select the statements that accurately describe examples of small-scale ecosystems.

  1. A tropical rainforest is an example of a small ecosystem.
  2. An aquarium tank represents a confined, small-scale ecosystem.
  3. A test tube experiment containing phytoplankton demonstrates a very small ecosystem.
  4. Oceans are considered small ecosystems.

    A2 only

    BAll

    C2, 3

    D3 only

    Answer:

    C. 2, 3

    Read Explanation:

    • Small-scale ecosystems demonstrate that the fundamental principles of ecological interaction—such as energy flow, nutrient cycling, and community structure—can be observed and studied even in highly confined environments.

    • These smaller systems are often used for experimental purposes due to their manageability and ability to isolate specific variables, allowing scientists to test hypotheses about ecological processes in a controlled setting.


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