Chapter 27:
Population Biology
Practice Test
1.
What is the greatest number of individuals in a population that a given environment is capable of supporting?
a.
carrying capacity
b.
population density
c.
biotic potential
d.
population growth rate
Hint
2.
What has caused the recent explosive growth in the human population?
a.
increase in death rate
b.
increase in birth rate
c.
decrease in death rate
d.
decrease in birth rate
Hint
3.
Several species of warblers are able to feed and nest in the same kind of spruce tree without competing. What is this an example of?
a.
adaptation
b.
movement
c.
emigration
d.
extinction
Hint
4.
What is the highest rate of reproduction of a population under ideal conditions?
a.
carrying capacity
b.
limiting factor
c.
biotic potential
d.
population density
Hint
5.
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.
extinction
b.
territoriality
c.
emigration
d.
role separation
Hint
6.
What is a condition in which the birthrate equals the death rate of any population?
a.
biotic potential
b.
population growth
c.
carrying capacity
d.
zero population growth
Hint
7.
What is a designated chain of command that reduces competition among individual members of a population?
a.
social hierarchy
b.
territoriality
c.
emigration
d.
role separation
Hint
8.
What is the number of organisms that die in a given period of time?
a.
emigration rate
b.
birthrate
c.
population growth rate
d.
death rate
Hint
9.
What is the size of a population that occupies a given area at a given point in time?
a.
limiting factor
b.
population growth
c.
population density
d.
biotic potential
Hint
10.
What is the shape of the population growth curve when a population has reached its carrying capacity?
a.
M-shaped
b.
N-shaped
c.
J-shaped
d.
S-shaped
Hint
