Download Practice Test Ch.15 1. The population distribution for a country

Practice Test Ch.15
1.
The population distribution for a country shows that each age
structure is about the same size. What type of population growth is this country
experiencing?
a.
slow growth
b.
stable growth
c.
zero growth
d.
rapid growth
2.
A population of rabbits experiences an increase over time. Which of
these statements about that population is true?
a.
The population my face decreased competition due to
resource depletion.
b.
The population may experience straight-line growth due to
resource depletion.
c.
The population may experience exponential growth due to
resource depletion.
d.
The population may face increased competition due to
resource depletion.
3.
__________ is a density-dependent factor.
a.
Drought
b.
Competition
c.
Floods
d.
Temperature
6.
Which of these is the study of human population size and the
factors that influence it?
a.
ecology
b.
botany
c.
meteorology
d.
demography
7.
What does the dotted line represent on this graph?
a.
b.
c.
d.
death rate
birth rate
carrying capacity
predation
8.
When is it possible for a population growth rate to be less than
zero?
a.
b.
c.
d.
9.
The population growth rate can never be less than zero
When the death rate is greater than the birthrate.
When the birthrate is equal to the death rate.
When the birthrate is greater than the death rate.
Which of these equations represents zero population growth?
a.
Birthrate - Death rate = 0
b.
Birthrate + Death rate < 0
c.
Birthrate + Death rate = 0
d.
Birthrate - Death rate > 0
10.
Which of these is an explanation of why a population can fluctuate
once it has reached carrying capacity?
a.
All populations experience exponential growth once they
reach carrying capacity.
b.
The number of organisms decreases but never increases
once it reaches carrying capacity.
c.
A population of organisms always grows rapidly once it
reaches carrying capacity.
d.
Limiting factors can influence the number of organisms .
in a population once it reaches carrying capacity.
11.
Which of these is NOT a limiting factor to the growth of a
population?
a.
abundance of space
b.
increasing population of predators
c.
introduction of disease
d.
availability of food
12.
An environment's __________ is the number of organisms of a
certain species that can be supported indefinitely.
a.
stability
b.
density
c.
carrying capacity
d.
exponential growth
Practice Questions
What is the difference between logistic and exponential population growth?
What happens to a population once its carrying capacity is reached?
List two density-dependent factors that can affect human populations.
The population distribution for a country shows that each age structure is about the
same size. What type of population growth is this country experiencing?
a.
slow growth
b.
stable growth
c.
zero growth
d.
rapid growth
__________ is a density-dependent factor.
a.
Drought
b.
Competition
c.
Floods
d.
Temperature
An ecologist recorded 12 white-tailed deer per square mile in one woodlot and 20
deer per square mile in another woodlot. What was the ecologist comparing?
a. Growth rate
b. Population size
c. Population density
d. Population dispersion