Question 1(Multiple Choice Worth 3 points) (04.04 MC)

Environmentalists claim that climate change could lead to major biological change on Earth. Which of the following statements supports the biological predictions related to climate change?

Sea levels will fall, causing migration of 50% of the world's human population.
Carbon dioxide levels and temperature changes are direct related in the studies.
Studies show that atmospheric carbon dioxide has increased over the past 150 years.
The distribution of many organisms has already shifted as a result of warming.
Question 2(Multiple Choice Worth 3 points)
(04.04 MC)

The government wants to set new regulations that prohibit chlorofluorocarbons (CFCs) use in aerosol sprays and refrigerants. How will this act help with the sustainability of our environment?

It will slow the degradation of the ozone layer.
It will decrease the use of fossil fuels.
It will increase the costs of aerosol sprays and refrigerants.
It will increase ultraviolet light needed for vegetation.
Question 3(Multiple Choice Worth 3 points)
(04.04 MC)

How would increased chlorofluorocarbons (CFCs) in the atmosphere affect the growth of vegetation throughout the world?

Ultraviolet light will increase on Earth's surface. It will raise temperatures and decrease plant populations.
Ultraviolet light will decrease on Earth's surface. It will lower temperatures and decrease plant populations.
Ultraviolet light will decrease on Earth's surface. It will lower temperatures and increase plant populations.
Ultraviolet light will increase on Earth's surface. It will raise temperatures and increase plant populations.
Question 4(Multiple Choice Worth 3 points)
(04.04 MC)

Pet owners begin to abandon their Burmese pythons in the Everglades when they become too large for home care. Native species of frogs and reptiles decrease with the introduction of the snakes. What does this scenario represent?

A loss in biodiversity due to mutualism
A loss of biodiversity due to an invasive species
A loss of biodiversity due to a catastrophic event
A loss of biodiversity due to a commensalism
Question 5(Multiple Choice Worth 3 points)
(04.04 MC)

A large hurricane moves through a small island in the Caribbean. What are the consequences to this island's plant and animal diversity?

The island will lose all abiotic factors needed by plant and animal populations.
The island's ecosystem will recover due to primary succession.
The island will lose all of the plant and animal populations of the island.
The island will suffer a loss of native plant and animal species.
Question 6(Multiple Choice Worth 3 points)
(04.04 MC)

Waste managers need more land to collect city garbage. What environmental parameters should city officials investigate before purchasing the needed land?

Depth of groundwater and distance to local lakes, rivers, and farms
Land prices and the potential damage to the housing market in the area
The distance of the land to new construction and development
Costs to the city if a new landfill is not built and garbage output increases
Question 7(Multiple Choice Worth 3 points)
(04.04 MC)

Local ranchers have expanded the grazing area of their cattle. How will this impact the river that runs along their lands?

Animal wastes will run into the river with every rainfall.
This will not significantly impact the river.
Animal wastes will decompose and add important nutrients to the river.
Cattle will pollute the river by using it as source of water.