RQ25: Population Growth

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What is the natural log of 150? a) 1.4 x 10^65 b) 2.718 c) 150 d) 2.18 e) 5

e) 5

What is the natural logarithm of 6.5? a) 1.87 b) 0.813 c) 665.14 d) 6.5

a) 1.87

What is r? a) The per capita rate of increase b) Intrinsic rate of increase c) Fertility rate d) Net reproductive rate e) The finite growth rate

a) The per capita rate of increase

What is the difference between r and lambda? a) r gives the instantaneous growth rate; lambda gives the growth rate over a discrete time interval b) r gives the maximum growth rate; lambda gives the current growth rate c) r is calculated from life tables; lambda is calculated from observed population sizes d) r gives the growth rate for a population; lambda gives the growth rate for a species

a) r gives the instantaneous growth rate; lambda gives the growth rate over a discrete time interval

What is the natural logarithm of e^6.5? a) 665.1 b) 6.5 c) 2.718 d) 1.872

b) 6.5

Which of the following is a common setting for density independent growth? a) A population lacks food or other resources b) A population colonizes a new habitat c) A population experiences an increase in the rate of predation or parasitism d) A population has an extremely high r max (intrinsic rate of increase)

b) A population colonizes a new habitat

What does it mean to say that a population "cycles?" a) Population size is steady through time (at carrying capacity) b) Population size goes through a regular high-low fluctuation c) The growth rate (r) is density dependent d) The growth rate (r) is density independent

b) Population size goes through a regular high-low fluctuation

How is exponential growth defined? a) Density-dependent growth b) Continuous growth c) No change in r through time d) Extremely rapid growth

c) No change in r through time

What is lambda? a) Fertility rate b) Net reproductive rate c) The finite growth rate d) The per-capita rate of increase e) Intrinsic rate of increase

c) The finite growth rate

What is carrying capacity? a) The maximum population size in a population that cycles over time b) The predation rate in a population c) The balance between emigration rate and immigration rate d) The maximum number of individuals that can be supported by the resources in a habitat

d) The maximum number of individuals that can be supported by resources in a habitat


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