Sem 2 Unit 4 Review

Which of the following are examples of problems facing southern Nevada because of our population growth?

• If Las Vegas continues to grow, there won’t be enough water for everyone’s needs

• If Las Vegas continues to grow, we will need a new source of energy to meet the needs of the population

• both

• neither

Tags

NGSS.MS-ESS3-4

Which of the following are things southern Nevada has done/are doing to meet the water needs of its citizens?

• Water restrictions for homeowners (can only water grassy yards on certain days)

• Add a pipeline to Lake Mead that is lower than the others to ensure we’re able to continue drawing water from the Lake even though it’s low

• Discuss our growing water needs with the other states who also draw on the Colorado River to renegotiate water rights

• All of the above

Tags

NGSS.MS-ESS3-4

NGSS.MS-ETS1-1

What is Nevada’s main source of energy?

• wind

• solar

• natural gas

• coal

A density-independent limiting factor would include:

• predation

• hurricanes

• parasitism

• competition

An important issue for a water supply is a(n):

• lack of technology in most areas to extract the water from underground aquifers.

• increase in demand due to population growth.

• increase in global temperatures and the drying up of available supplies.

• all of the above

Tags

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

Why did the Earth’s population begin to rise dramatically in the 1800’s and continued to climb?

• Better medicines and healthcare.

• Better farming techniques allowed for more food production.

• The Industrial Revolution allowed for technology to assist humans in transportation and mass production of goods.

• All of these factors led to population growth.

As a population reaches its carrying capacity, resources become more scarce.  Which of the following would increase within the population?

• Birth Rate

• Available shelter

• Nesting sites

• Competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If a population grows larger than the carrying capacity of the environment, the:

• death rate may rise

• Birth rate may rise

• The population will grow faster

• Carrying capacity will change

Tags

NGSS.MS-LS2-4

The single most important consideration about any drinking water supply is its freedom from:

• Iron staining

• Disease-producing organisms

• Total dissolved solids

• Chlorides

Which of the following are the primary causes of water pollution?

• plants

• animals

• human activity

• none of these

Tags

NGSS.MS-ESS3-4