5.16 Unit Test Earth Science

What is the most common use of water in the United States?

• industry

• power plants

• domestic use

• agriculture

Which of the following abiotic factors would likely affect humans directly?

• climate change

• soil pH

• humidity

• water availability

A conservation easement would be best suited to offset which of the following threats to biodiversity?

• habitat loss

• habitat degradation

• overharvesting

• exotic species

Which of the following would have direct effects on the resources available to a population?

• socioeconomic status of individuals

• religious beliefs

• war

• housing

Which prediction is true based on this population pyramid?

• The population is growing slowly.

• The population is declining.

• The population is not growing.

• The population is growing rapidly.

If over a 10-year period, a nation of 100 million people has a birth rate of 15 million, but a death rate of 5 million and a net migration rate of 2 million, the population is doing which of the following?

• staying the same over time

• growing in size

• decreasing in size

• decreasing first and then growing

Which of the following would reduce water tables?

• water pollution

• snowmelt

• overpopulation

• flood

Which of the following stresses would most likely cause an ecosystem to respond by succession?

• air pollution

• urbanization

• wildfire

• water pollution

How might a flood affect the population of an area?

• reduce the need for resources

• reduce the population

• increase the population

• increase available resources

Which of the following is a natural resource?

• concrete

• steel

• iron

• plastic