Earth Science: Geology, the Environment, and the Universe

Section 1: Populations and the Use of Natural Resources

Popultion and the Use of Natural Resources

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