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| 1 | |
Which of the following would not be considered part of a population's demographics? |
| | A) | Birth rate |
| | B) | Death rate |
| | C) | Population size |
| | D) | Age distribution |
| | E) | All of the choices are considered parts of a population's demographics. |
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| 2 | |
If the per capita growth rate, r, is between 0 and 1, a population is |
| | A) | declining gradually. |
| | B) | declining exponentially. |
| | C) | increasing gradually. |
| | D) | increasing exponentially. |
| | E) | at equilibrium. |
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| 3 | |
True or False: As the per capita growth rate (r) increases, the total population growth decreases. |
| | A) | True |
| | B) | False |
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| 4 | |
In a mark and recapture experiment, assuming no birth or death and a closed environment, the total population size is 2,000 individuals. If 400 individuals were originally captured and marked, and 100 of those marked individuals were recaptured, what is most likely to be the total size of the recapture group? |
| | A) | 100 |
| | B) | 400 |
| | C) | 500 |
| | D) | 1,000 |
| | E) | 2,000 |
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| 5 | |
Arrange the following dispersion patterns in order from most common to least common.
i: random
ii: clumped
iii: uniform |
| | A) | i; ii; iii |
| | B) | ii; iii; i |
| | C) | iii; i; ii |
| | D) | i; iii; ii |
| | E) | iii; ii; i |
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| 6 | |
Which of the following reproductive strategies is the result of repetitive breeding during intervals throughout the lifetime of the organism? |
| | A) | Continuous Iteroparity |
| | B) | Semelparity |
| | C) | Discontinuous Iteroparity |
| | D) | Continuous iteroparity and discontinuous iteroparity |
| | E) | Semelparity and discontinuous iteroparity |
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| 7 | |
True or False: A life table can be constructed to examine the age structure of a population, but is generally constructed from females only. |
| | A) | True |
| | B) | False |
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| 8 | |
In a life table, a value for nx of 1003 would most accurately represent |
| | A) | 3 individuals in the population in their one hundredth year of life. |
| | B) | 100 individuals in the population in their third year of life. |
| | C) | 100 individuals in the population dying during their third year. |
| | D) | 100 percent of the individual in the population still alive by their third year. |
| | E) | None of the choices accurately represent a value for nx of 1003. |
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| 9 | |
Match the type of survivorship curve on the left with the appropriate description on the right.
| i: Type I | a: large decline in juveniles | | ii: Type II | b: large decline in old | | iii: Type III | c. uniform rate of decline |
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| | A) | i = a; ii = b; iii = c |
| | B) | i = a; ii = c; iii = b |
| | C) | i = c; ii = a; iii = b |
| | D) | i = b; ii = c; iii = a |
| | E) | i = b; ii = a; iii = c |
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| 10 | |
If the net reproductive rate (Ris greater than 1, the population is ________, and if R0 is less than 1, the population is _________. |
| | A) | in decline; in equilibrium |
| | B) | in decline; growing |
| | C) | growing; in decline |
| | D) | growing; in equilibrium |
| | E) | in equilibrium; in decline |
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| 11 | |
The increase of a population observed when conditions are optimal for the population and the per capita growth rate is at its maximum is most accurately referred to as the |
| | A) | per capita growth rate. |
| | B) | exponential growth rate. |
| | C) | finite rate of increase. |
| | D) | intrinsic rate of increase. |
| | E) | net reproductive rate. |
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| 12 | |
The upper boundary for a population's size is most accurately referred to as the |
| | A) | retention ability. |
| | B) | resource capability. |
| | C) | reproductive extent. |
| | D) | carrying capacity. |
| | E) | population density. |
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| 13 | |
When population growth slows down as it approaches K, is displays a(n) _______ growth model. |
| | A) | logistic |
| | B) | logarithmic |
| | C) | exponential |
| | D) | linear |
| | E) | accelerated |
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| 14 | |
Which of the following represents a primarily density-dependent factor that can regulate population size? |
| | A) | Competition |
| | B) | Fire |
| | C) | Flooding |
| | D) | Competition and fire |
| | E) | Fired and flooding |
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| 15 | |
Which of the following best defines an inverse density-dependent factor? |
| | A) | Mortality factors increase as population size decreases |
| | B) | Mortality factors increase as population sizes reach equilibrium |
| | C) | Mortality factors reach equilibrium as population size increases |
| | D) | Mortality factors decrease as population size increases |
| | E) | Mortality factors decrease as population size decreases |
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| 16 | |
True or False: An r-selected species has a relatively high growth rate and strong competitive capability. |
| | A) | True |
| | B) | False |
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| 17 | |
Which one of the following traits would be least likely to be found in a K-selected species? |
| | A) | Relatively low reproductive rate |
| | B) | Fairly constant population size |
| | C) | Low mortality of young |
| | D) | Larger body size |
| | E) | Capable of reproduction at young age |
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| 18 | |
Which of the following represents a way in which human populations can exist at equilibrium densities? |
| | A) | High birth rates |
| | B) | High death rates |
| | C) | Low birth rates |
| | D) | Low death rates |
| | E) | All of the choices are ways in which human populations can exist at equilibrium densities |
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| 19 | |
Which of the following could cause a demographic transistion within a human population? |
| | A) | Natural Disaster |
| | B) | War |
| | C) | Disease |
| | D) | Public Health Programs |
| | E) | All of the choices may cause a demographic transition within a human population. |
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| 20 | |
True or False: Americans are considered to have the largest ecological footprint in the world. |
| | A) | True |
| | B) | False |
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