Population Growth Model: Density Independent And Dependent Models

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| By Davisanhtran
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Davisanhtran
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1. The expotnential population growth model is density-dependent.

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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Population Growth Model: Density Independent And Dependent Models - Quiz


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

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

Explanation

r
R

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The expotnential population growth model is density-dependent.
The rate of population growth decreases when r<0 or R<1. 
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