Chapter 27:
Population Biology
Practice Test
1.
What is a condition in which the birthrate equals the death rate of any population?
a.
biotic potential
b.
carrying capacity
c.
zero population growth
d.
population growth
Hint
2.
A bee hive has become overpopulated. Some of the bees swarm and move to a new area and establish a new hive. What is this an example of?
a.
role separation
b.
emigration
c.
territoriality
d.
extinction
Hint
3.
What is the number of organisms that die in a given period of time?
a.
birthrate
b.
population growth rate
c.
emigration rate
d.
death rate
Hint
4.
What is a designated chain of command that reduces competition among individual members of a population?
a.
emigration
b.
territoriality
c.
social hierarchy
d.
role separation
Hint
5.
What is a group of organisms belonging to the same species and living within a certain area at the same time?
a.
a population
b.
a community
c.
a classroom
d.
a school
Hint
6.
What is competition between members of the same species?
a.
adaptation
b.
interspecific competition
c.
intraspecific competition
d.
extinction
Hint
7.
When a population reaches the carrying capacity of the environment, the birthrate equals the _______________ .
a.
population growth rate
b.
emigration rate
c.
population density
d.
death rate
Hint
8.
What is the greatest number of individuals in a population that a given environment is capable of supporting?
a.
biotic potential
b.
population growth rate
c.
population density
d.
carrying capacity
Hint
9.
Which of these is the result of intraspecific competition?
a.
adaptation
b.
territoriality
c.
extinction
d.
movement to a nearby environment
Hint
10.
Which of these is an example of a density-dependent factor that limits the size of a population?
a.
temperature
b.
amount of rainfall
c.
amount of oxygen
d.
amount of food
Hint
