Unit 3:
Populations
Practice Test
1.
If you have a population of 10 individuals on the first day of an experiment and 80 individuals after 10 days of observation (on the 11th day of the experiment), what was the average daily change in population density during the period of the experiment?
a.
8 individuals per day
b.
7 individuals per day
c.
6 individuals per day
d.
9 individuals per day
Hint
2.
Homo sapiens is an example of what classification of living things?
a.
order and family
b.
family and class
c.
phylum and order
d.
genus and species
Hint
3.
What is a group made up of all of the different species that live in the same geographical area?
a.
family
b.
population
c.
class
d.
community
Hint
4.
Knowing the average number of individuals per generation and the average number of years between generations, we can calculate a family's average ________ .
a.
emigration rate
b.
death rate
c.
growth rate
d.
immigration
Hint
5.
Population size decreases as a result of which factor?
a.
deaths
b.
births
c.
subsistence
d.
immigration
Hint
6.
If we describe a population as being clumped, uniform, or random, what population characteristic have we defined?
a.
population size
b.
population growth
c.
population distribution
d.
population density
Hint
7.
What is the maximum population size that can be supported by the resources in a given environment?
a.
population distribution
b.
carrying capacity
c.
population density
d.
population growth rate
Hint
8.
If you mark captured individuals of a population and release them back into the community, what sampling technique are you using?
a.
quadrat method
b.
direct count method
c.
census taking
d.
mark-and- recapture method
Hint
9.
Population size increases as a result of which factor?
a.
emigration
b.
deaths
c.
immigration
d.
limiting factors
Hint
10.
In what kind of population distribution are individuals found grouped together?
a.
uniform
b.
clumped
c.
random
d.
distribution without an apparent pattern
Hint