Studying Populations Question Preview (ID: 33558)
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The largest population that an area can support is called
a) population density
b) limiting factor
c) carrying capacity
d) immigration
Which method would you use to determine the population of mushrooms growing on the floor of a large forest?
a) direct observation
b) indirect observation
c) random sampling
d) mark- and -recapture
An environmental factor that causes a population to decrease is called
a) population density
b) limiting factor
c) carrying capacity
d) death rate
Moving into a population is called
a) birth rate
b) death rate
c) immigration
d) emmigration
Leaving a population is called
a) birth rate
b) death rate
c) immigration
d) emmigration
The number of individuals in an area of a specific size is called
a) population density
b) limiting factor
c) carrying capacity
d) immigration
The number of births in a population in a certain amount of time is called
a) death rate
b) birth rate
c) immigration
d) emmigration
The number of deaths in a population in a certain amount of time is called the
a) birth rate
b) death rate
c) immigration
d) emmigration
When you estimate the population by marking organisms, releasing them, and then later recapturing the organisms , you are using
a) direct observation
b) indirect observation
c) random sampling
d) mark-and-recapture
When you estimate by counting the number of organisms in a small area and then multiply to find the number in a larger area, you are using
a) direct observation
b) indirect observation
c) random sampling
d) mark- and-recapture
When you count every member of a population, you are using
a) indirect observation
b) direct observation
c) random sampling
d) mark- and -recapture
When you look at signs of organisms rather than the organisms themselves, you are using
a) direct observation
b) indirect observation
c) random sampling
d) mark - and - recapture
Which of the following is NOT a limiting factor of a population
a) Food and Water
b) Space
c) Weather
d) Air
To find the population density, you need to
a) Add the number of individuals and the unit area
b) Subtract the number of individuals from the unit area
c) Multiply the number of individuals by the unit area
d) Divide the number of individuals by the unit area
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