Population Growth Model: Density Independent and Dependent Models

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| By Davisanhtran

Davisanhtran

Community Contributor

Quizzes Created: 1 | Total Attempts: 103

Questions: 5 | Attempts: 104 | Updated: Nov 3, 2023

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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.

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2.

The rate of population growth decreases when r<0 or R<1.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
r

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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

Population Growth Model: Density Independent And Dependent Models

The expotnential population growth model is density-dependent.

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

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.

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.

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.