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the biotic potential of a population

occurs only under ideal conditions (correct)

occurs at the populations carrying capacity

increases as the population size increases

depends on the limiting resources of the population

which would be expected for a niche generalist?

many food sources (correct)

a narrow fundamental niche

limited adaptability to changing conditions

few suitable habitats

an r-selected species characteristically has

a type I survivorship curve

a fast population growth rate (correct)

few offspring

a population near carrying capacity

which is true of a population overshoot?

it is followed by dieback Signup and view all the answers

which of the following is not common in K-selected species?

little parental care Signup and view all the answers

which term best describes a population exhibiting its maximum growth in the absence of limitations and constraints by the environment?

biotic potential Signup and view all the answers

which characteristics would be expected for a specialist species?

limited food sources Signup and view all the answers

which of these describes k-selected species?

the individuals are large with a slow growth rate Signup and view all the answers

which of the following characteristics best describes r-selected species?

large number of offspring Signup and view all the answers

the J-shaped population curve is a classic representation of

exponential growth Signup and view all the answers

which is true about a population's carrying capacity?

it is determined by a limiting resource Signup and view all the answers

logistic growth models incorporate a time with almost unlimited growth and

a time with growth that approaches the carrying capacity Signup and view all the answers

what is true of a population overshoot?

it is followed by dieback Signup and view all the answers

what usually happens when a resource base decreases?

population growth decreases Signup and view all the answers

which is an example of a density-independent factor?

a hurricane Signup and view all the answers

which of these best describes logistic population growth?

the population grows until a carrying capacities reached and then levels off Signup and view all the answers

which statement explains what occurs after a population overshoots the carrying capacity?

the population undergoes a dieback without sufficient resources Signup and view all the answers

which of these describes what happens as a population nears its carrying capacity

it exhibits a slower population growth Signup and view all the answers

which is an example of density-dependent factor?

competition for nesting sights between two songbird species Signup and view all the answers

Thomas Malthus introduced

the hypothesis that humans could exceed Earth's carrying capacity Signup and view all the answers

a country has a net immigration rate of 3 per 1,000, a CBR of 9 per 1,000, and a CDR of 11 per 1,000. wha is the growth rate of this country?

0.1 percent Signup and view all the answers

replacement-level fertility in a developed country is roughly equal to

2.1 Signup and view all the answers

an age-structure diagram that is a pyramid shape indicates a country that is

growing rapidly Signup and view all the answers

which of these statements correctly describes the human population, as explained by Thomas Malthus?

the human population population has a carrying capacity that will limit the number of humans Earth can sustain Signup and view all the answers

a country has a net in-migration rate of 5 per 1,000,a CBR of 8 per 1,000, and a CDR of 7 per 1,000. What is the growth rate of this country.

0.6% Signup and view all the answers

which of these explains why the replacement level fertility is approximately 2.1 in a developed country?

both parents are replaced, plus an additional 0.1 individuals to replace the low rate of infant mortality Signup and view all the answers

which shape of an age structure diagram indicates a country with a decreasing population size?

an inverted pyramid with a wide top Signup and view all the answers

which of these factors would cause the total fertility rate of a country to decrease?

increasing employment opportunities for women Signup and view all the answers

doubling time can be approximated mathematically by

70/% growth rate Signup and view all the answers

according to the theory of demographic transition, countries move through growth stages in what order?

slow growth, rapid growth, stable growth, declining growth Signup and view all the answers

which of the following likely reduces fertility rate the most?

increased education of women Signup and view all the answers

the IPAT equation was developed to estimate

the impact of human lifestyles on Earth Signup and view all the answers

approximately what percentage of the population of developed countries lives in urban areas?

75 percent Signup and view all the answers