Population Growth Model: Density Independent And Dependent Models

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| By Davisanhtran
D
Davisanhtran
Community Contributor
Quizzes Created: 1 | Total Attempts: 109
Questions: 5 | Attempts: 109

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Population Growth Model: Density Independent And Dependent Models - Quiz


The quiz covers both density-indepdentn and dependent models of population growth.


Questions and Answers
  • 1. 

    The expotnential population growth model is density-dependent.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    False. The exponential population growth model does not take population density into consideration. This is why the model is highly unrealistic and only useful modeling the invasion of a vacant niche or recovery after catastrophe. Otherwise, as the logistics model demonstrates, high density will lower birth-rates AND increase death-rates due to overcrowding.

    Rate this question:

  • 2. 

    The rate of population growth decreases when r<0 or R<1. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    r

    Rate this question:

  • 3. 

    Compare and contrast the terms C and K. How are these two terms similar? How are they different? Be sure to define each term in your answer.

  • 4. 

    Evaluate the effectiveness of the density-dependent population growth model. Does it accurately model the growth behavior of species? If not, give two examples of when the density-dependent population growth model works well and its relation to other population models. 

  • 5. 

    Explain how R fits into both models (density-independent and dependent) and how it measures both reproductive success and the ability for a population to grow.

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  • Current Version
  • Nov 03, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 18, 2012
    Quiz Created by
    Davisanhtran
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