Section #: 27.1
Population and the Use of Natural Resources
Practice Test
1.
Which is an example of a density-independent factor?
a.
a flood
b.
parasites
c.
lack of food
d.
a plague
Hint
2.
What eventually causes a population to stop increasing in size?
a.
limiting factors
b.
carrying capacity
c.
human impact
d.
death rate
Hint
3.
Which population curve represents a sustaining population?
a.
A
b.
B
c.
neither
d.
both
Hint
4.
Why are ecosystems with high biodiversity more stable than those with fewer species?
a.
They have a higher carrying capacity.
b.
They have a higher number of species.
c.
They recover from negative events more quickly.
d.
They have a higher growth rate.
Hint
5.
The human population on Earth is __________, and it is in the __________ of the growth curve.
a.
decreasing, J -shaped stage
b.
increasing, J -shaped stage
c.
increasing, downward stage
d.
decreasing, flat I -part
Hint
6.
As any population __________, its demand for natural resources __________.
a.
increases, increases by 50 percent
b.
increases, decreases
c.
decreases, increases
d.
increases, increases
Hint
7.
What is the carrying capacity of an environment?
a.
the total number of limiting factors
b.
the human impact
c.
the number of organisms it can support
d.
the equivalent of the human growth rate
Hint
8.
Which is NOT an effect of increased urbanization?
a.
increase of flooding
b.
increasing volumes of solid waste
c.
decrease of wetlands
d.
increase of natural habitats
Hint
9.
What activity or segment of the population puts the greatest demand on water supplies in the United States?
a.
agriculture
b.
power plant cooling
c.
public use for drinking, washing, and cooking
d.
industry
Hint
10.
What is an example of an organism changing its environment to better meet its needs?
a.
a turtle living in a slow-moving stream
b.
a beaver building a dam
c.
a bird eating grass seed
d.
a human taking a breath of air
Hint
11.
What could happen to a population with a growth curve shown?
a.
it would continue to grow forever
b.
it would completely die out
c.
limiting factors would stop it from growing
d.
it would never reach its carrying capacity
Hint
