Biology

11th -

12thgrade

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IB biology Topic 4.1-4.2 Ecology

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19 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    Which category of organisms is correctly described in this table?

    A

    B

    C

    D

  • 2. Multiple Choice
    30 seconds
    1 pt

    What limits the length of a food chain in an ecosystem?

    The size of the individual organisms

    Competition between organisms

    The loss of energy between trophic levels

    Natural selection

  • 3. Multiple Choice
    30 seconds
    1 pt
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    What are characteristics of species?

    I and II

    I and III

    II and III

    I, II and III

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