Population Growth
BIOXII13: ORGANISMS AND POPULATION

344150 Verhulst-Pearl Logistic Growth is described by the equation and the integral form of the exponential growth equation is as follows

1 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right){\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
2 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN,\;}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
3 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right)\)
4 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{\rm{n}}}\)
BIOXII13: ORGANISMS AND POPULATION

344151 The graph shows two types of population growth curves, \(\mathrm{A}\) is exponential and \(\mathrm{B}\) is logisitic, which one of the following growth model is considered as more realistic one?
supporting img

1 Exponential growth curve
2 Logistic growth curve
3 Z-shaped growth curve
4 All the above
BIOXII13: ORGANISMS AND POPULATION

344152 The density of a population in a given habitat during a given period, fluctuates due to changes in four basic processes On this basis choose the correct option to fill up A and B boxes in the given diagram.
supporting img

1 \(\mathrm{A}=\) Natality + Immigration, \(\mathrm{B}=\) Mortality + Emigration
2 \(\mathrm{A}=\) Natality + Mortality \(\mathrm{B}=\) Immigration + Emigration
3 \(\mathrm{A}=\) Birth rate + Death rate, \(\mathrm{B}=\) Mortality + Emigration
4 \(\mathrm{A}=\) Natality + Emigration, \(\mathrm{B}=\) Mortality + Immigration
BIOXII13: ORGANISMS AND POPULATION

344153 Exponential growth occurs when there is

1 No environmental resistance
2 A fixed carrying capacity
3 A great environmental resistance
4 resources are limited
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BIOXII13: ORGANISMS AND POPULATION

344150 Verhulst-Pearl Logistic Growth is described by the equation and the integral form of the exponential growth equation is as follows

1 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right){\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
2 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN,\;}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
3 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right)\)
4 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{\rm{n}}}\)
BIOXII13: ORGANISMS AND POPULATION

344151 The graph shows two types of population growth curves, \(\mathrm{A}\) is exponential and \(\mathrm{B}\) is logisitic, which one of the following growth model is considered as more realistic one?
supporting img

1 Exponential growth curve
2 Logistic growth curve
3 Z-shaped growth curve
4 All the above
BIOXII13: ORGANISMS AND POPULATION

344152 The density of a population in a given habitat during a given period, fluctuates due to changes in four basic processes On this basis choose the correct option to fill up A and B boxes in the given diagram.
supporting img

1 \(\mathrm{A}=\) Natality + Immigration, \(\mathrm{B}=\) Mortality + Emigration
2 \(\mathrm{A}=\) Natality + Mortality \(\mathrm{B}=\) Immigration + Emigration
3 \(\mathrm{A}=\) Birth rate + Death rate, \(\mathrm{B}=\) Mortality + Emigration
4 \(\mathrm{A}=\) Natality + Emigration, \(\mathrm{B}=\) Mortality + Immigration
BIOXII13: ORGANISMS AND POPULATION

344153 Exponential growth occurs when there is

1 No environmental resistance
2 A fixed carrying capacity
3 A great environmental resistance
4 resources are limited
BIOXII13: ORGANISMS AND POPULATION

344150 Verhulst-Pearl Logistic Growth is described by the equation and the integral form of the exponential growth equation is as follows

1 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right){\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
2 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN,\;}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
3 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right)\)
4 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{\rm{n}}}\)
BIOXII13: ORGANISMS AND POPULATION

344151 The graph shows two types of population growth curves, \(\mathrm{A}\) is exponential and \(\mathrm{B}\) is logisitic, which one of the following growth model is considered as more realistic one?
supporting img

1 Exponential growth curve
2 Logistic growth curve
3 Z-shaped growth curve
4 All the above
BIOXII13: ORGANISMS AND POPULATION

344152 The density of a population in a given habitat during a given period, fluctuates due to changes in four basic processes On this basis choose the correct option to fill up A and B boxes in the given diagram.
supporting img

1 \(\mathrm{A}=\) Natality + Immigration, \(\mathrm{B}=\) Mortality + Emigration
2 \(\mathrm{A}=\) Natality + Mortality \(\mathrm{B}=\) Immigration + Emigration
3 \(\mathrm{A}=\) Birth rate + Death rate, \(\mathrm{B}=\) Mortality + Emigration
4 \(\mathrm{A}=\) Natality + Emigration, \(\mathrm{B}=\) Mortality + Immigration
BIOXII13: ORGANISMS AND POPULATION

344153 Exponential growth occurs when there is

1 No environmental resistance
2 A fixed carrying capacity
3 A great environmental resistance
4 resources are limited
BIOXII13: ORGANISMS AND POPULATION

344150 Verhulst-Pearl Logistic Growth is described by the equation and the integral form of the exponential growth equation is as follows

1 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right){\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
2 \(\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN,\;}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}\)
3 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}\frac{{{\rm{dN}}}}{{{\rm{dt}}}}{\rm{ = rN}}\left( {\frac{{{\rm{K - N}}}}{{\rm{K}}}} \right)\)
4 \({{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{{\rm{rt}}}}{\rm{,}}{{\rm{N}}_{\rm{t}}}{\rm{ = }}{{\rm{N}}_{\rm{0}}}{{\rm{e}}^{\rm{n}}}\)
BIOXII13: ORGANISMS AND POPULATION

344151 The graph shows two types of population growth curves, \(\mathrm{A}\) is exponential and \(\mathrm{B}\) is logisitic, which one of the following growth model is considered as more realistic one?
supporting img

1 Exponential growth curve
2 Logistic growth curve
3 Z-shaped growth curve
4 All the above
BIOXII13: ORGANISMS AND POPULATION

344152 The density of a population in a given habitat during a given period, fluctuates due to changes in four basic processes On this basis choose the correct option to fill up A and B boxes in the given diagram.
supporting img

1 \(\mathrm{A}=\) Natality + Immigration, \(\mathrm{B}=\) Mortality + Emigration
2 \(\mathrm{A}=\) Natality + Mortality \(\mathrm{B}=\) Immigration + Emigration
3 \(\mathrm{A}=\) Birth rate + Death rate, \(\mathrm{B}=\) Mortality + Emigration
4 \(\mathrm{A}=\) Natality + Emigration, \(\mathrm{B}=\) Mortality + Immigration
BIOXII13: ORGANISMS AND POPULATION

344153 Exponential growth occurs when there is

1 No environmental resistance
2 A fixed carrying capacity
3 A great environmental resistance
4 resources are limited