Biology

9th -

12thgrade

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Biology Homework 4.1

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7 questions

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  • Multiple Choice
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    30 seconds
    1 pt

    Which of these abiotic factors would contribute to a clumped dispersion pattern in an ecosystem? Select all correct answers.

    unlimited water

    limited water

    high temperatures

    moderate temperatures

    limited rainfall

  • Multiple Choice
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    30 seconds
    1 pt

    A population of antelope has a negative population growth rate. Which of these conditions must also be true for the population growth rate to be negative?

    births + deaths < immigrations + emigrations

    births + deaths > immigrations + emigrations

    births + immigrations < deaths + emigrations

    births + immigrations > deaths + emigrations

  • Multiple Choice
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    30 seconds
    1 pt

    A population of warblers experiences a period of exponential growth. Which of these factors would be a density-dependent limiting factor that could decrease the carrying capacity of the ecosystem for the warbler population?

    a competing species moves into the forest

    a period of lower than normal rainfall

    a builder removes trees for an office park

    high winds knock down a quarter of the trees

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