Week 4 Test Review-APES

Which of the following best explains why the maximum sustainable yield for ocean fisheries has been exceeeded

Too many fish of reproductive age are harvested

PCBs are typically released by and can cause

, industry, liver damage

Convention on International Trade in Endangered Species(CITIES)

1,111 & IV

Energy Policy Act establishes the following:

11 only

When scientists discover the existence of an emerging infectious disease such as SARS (severe acute respiratory syndrome), they must take immediate steps to determine the cause of the disease and the method of transmission. These initial steps would include which of the following

Acquiring recent medical and travel histories of the disease victims

Provides for the development and regulation of the uses of nuclear materials and facilities in the US

Atomic Energy Act(AEA)

For a certain insecticide, the LD-50 dosage level for rats is determined to be 250 miligrams per kilogram of body mass. On the basis of this information, which of the following is the best prediction regarding the consequences of receiving this dosage of the insecticide

Five hundred out of every one thousand rats would die

In a river ecosystem, dissolved oxygen concentrations drop quickly downstream from a point-source input of organic matter into the river. This effect is due to

Increasing bacterial activity as organic matter decays

Negative environmental impacts associated with large-scale hydroelectric projects have been demonstrated in which of the following areas?

James Bay, Quebec

The use of which of the following to control agricultural insect pests is most likely to have a negative and persistent impact on an ecosystem

Lindane, a chlorinated hydrocarbon

As urbanization increases and natural soil surfaces are covered, the groundwater supply is reduced to

Loss of recharge area

This act created Yosemite and Yellow Stone National Parks

National Park Act

This law states that a company cannot ship oil into the US until it presents a plan to prevent spills

Oil Polllution aCT

Chemicals that interfere with normal functioning of an animals hormones are called endocrine disruptors and include the following chemcicals

Phalates, Atrazine, and DDT

Which of the following elements is most likely to limit primary production in freshwater lakes

Phosphorus

The greatest amount of fresh water is found in which of the following?

Polar ice caps and glaciers

Which of the following is the usual cause of cultural eutrophication in surface waters of both developed and developing countries

Runoff of nitrate compounds into bodies of water

Overuse of groundwater in coastal areas would most likely result in which of the following

Saltwater intrusion

Requires restoration of abandoned mines

Surface Mining Control and Reclamation Act

Information gathered by a scientist about the toxicity of chemical X and chemical Y showed that they had individual safe limits for fish at particular concentrations. But when they were used together at the same concentrations, there were extensive fish kills. This is an example of

Synergism

Alcohol is best classified as

Teratogen

Acid deposition would most likely result in which of the following?

The release of aluminum ions from soil

Which of the following is a measure of the amount of suspended material in water?

Turbidity

Ticks are vectors for various diseases. The ticks acquire the disease-causing organisms from

feeding on host animals

Atrazine is a

herbicide

Montreal Protocol

initiated the phase out of all CFC's

Lead and mercury are both classified as

neurotoxin

Lakes that are characterized by high water clarity and low concentrations of dissolved nutrients are classified as

oligotrophic

Phalates can be found in

plastics and cosmetics

Population biologists are concerned about introduced species such as the zebra mussel in North America because

the introduced species compete for resources more effectively than native species