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Studying Populations
Test Description: Use this to help you practice everything you need to know about populations.
Instructions: Answer all questions to get your test result.
1) When you count every member of a population, you are using
A
random sampling
B
direct observation
C
indirect observation
D
mark- and -recapture
2) When you look at signs of organisms rather than the organisms themselves, you are using
A
direct observation
B
indirect observation
C
mark - and - recapture
D
random sampling
3) 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
mark- and-recapture
C
random sampling
D
indirect observation
4) When you estimate the population by marking organisms, releasing them, and then later recapturing the organisms , you are using
A
mark-and-recapture
B
direct observation
C
random sampling
D
indirect observation
5) The number of births in a population in a certain amount of time is called
A
immigration
B
emmigration
C
birth rate
D
death rate
6) The number of deaths in a population in a certain amount of time is called the
A
immigration
B
birth rate
C
emmigration
D
death rate
7) Moving into a population is called
A
immigration
B
death rate
C
birth rate
D
emmigration
8) Leaving a population is called
A
birth rate
B
immigration
C
death rate
D
emmigration
9) The number of individuals in an area of a specific size is called
A
limiting factor
B
population density
C
carrying capacity
D
immigration
10) An environmental factor that causes a population to decrease is called
A
population density
B
carrying capacity
C
limiting factor
D
death rate
11) The largest population that an area can support is called
A
population density
B
immigration
C
limiting factor
D
carrying capacity
12) Which method would you use to determine the population of mushrooms growing on the floor of a large forest?
A
random sampling
B
indirect observation
C
direct observation
D
mark- and -recapture
13) Which of the following is NOT a limiting factor of a population
A
Food and Water
B
Space
C
Air
D
Weather
14) To find the population density, you need to
A
Multiply the number of individuals by the unit area
B
Add the number of individuals and the unit area
C
Subtract the number of individuals from the unit area
D
Divide the number of individuals by the unit area
*select an answer for all questions
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