Continental shelves provide ____ of the fishery harvest.

A) 25%

B) 32.5%

C) 50%

D) 90%

All of the following are features of passive solar design except

A) Adobe walls and flagstone floor used for heat storage

B) evergreen (Coniferous) trees blocking sun all year

C) Photovoltaic cells on the roof of a house

D) Summer cooling vents in the roof

IPM is a(n) ________ approach to pest management

A) unsuccessful

B) ecosystem

C) chemical

D) eradication

Which of the following offers the most potential in terms of reducing the energy problem of the US?

A) geothermal power

B) wave power

C) nuclear power

D) conservation

The average person in the United States uses ____ gallons of water per day.

A) 100

B) 700

C) 1000

D) 1500

All the following were once primary sources of lead except:
A) paint

B) plumbing pipes

C) gasoline

D) air ventilation ducts

Which of the following is not a greenhouse gas?

A) Methane

B) Water vapor

C) Carbon dioxide

D) sulfur dioxide

What does B.O.D. stand for?

A) barometer of decomposition

B) Bacterial oxygen dependency

C) biological oxygen depletion

D) biochemical oxygen demand

Soil erosion became a concern in the U.S. following:

A) World War I

B) World War II

C) The Dust Bowl

D) The Industrial Revolution

How much of an increas of atmosphere carbon dioxide has occured since the beginning of the Industrial Revolution?
A) 12%

B) 32%

C) 52%

D) 70%

Which is considered the most polluting of the fossil fuels?

A) coal

B) oil

C) natural gas

D) wood

What is an aquifer?

A) a canal or system to transport water over long distances

B) zone of hot, pressurized groundwater

C) permeable rock that holds and transmits wter

D) nonporous rock

The single most effective way to reduce soil erosion is to use:

A) advanced plant regeneration

B) contour plowing

C) strip cropping

D) crop rotation

Methane is produced by certain kinds of ______ that can live where there is _____.

A) viruses; carbon dioxide

B) viruses; oxygen

C) bacteria; oxygen

D) bacteria; carbon dioxide

According to a post on the discussion last, bottled water contains more potentially harmful ____ than tap water

A) microorganisms

B) phthalates

C) lead

D) dilithium

Which of the following is not a predicted outcome of global climate change?

A) ocean water becomes alkaline

B) more extreme weather patterns

C) extinction of some organisms

D) rising sea levels

Massive and rapid algae growth is stimulated by the addition of ____ to surface water bodies.

A) carbon dioxide

B) oxygen

C) nitrogen and phosphorous

D) aerobic bacteria

Use of pesticide DDT is now banned:

A) throughout the world

B) in africa

C) from agricultural lands

D) in the US

The oceans cover _____ of the Earth's surface.

A) 20%

B) 50%

C) 70%

D) 90%

In order to prevent over-grazing in a farmland situation it is important to:

A) allow cattle to eat in one area

B) rotate cattle around the farm

C) rotate cattle within the same area

D) allow cattle to graze wherever they want

The primary energy source that is most used in the US for producing electricity is

A) water power

B) nuclear power

C) coal

D) crude oil

Use of groundwater at a rate faster that is naturally re-supplied is called:

A) an overdraft

B) a water budget

C) an influent stream

D) an underdraft

Fuel cells use (i) _____ for energy release and (ii) _____ as waste.

A) i. Hydrogen ii. water

B) i. oxygen ii. carbon dioxide

C) i. hydrogen ii. hydrocarbons

D) i. hydrogencarbons ii. carbon monoxide ad water

In the U.S., the single sector which consumes the greatest portion of the water supply is:

A) Agriculture

B) municipal water use

C) electric power plant

D) waste disposal

How a chemical affects an individual depends on:

A) exposure time series

B) the does of the exposure

C) form of the chemical

D) absorption sequence

What was the main source of heat in the US until the end of the 20th century?

A) oil

B) gas

C) wood

D) coal

Salinization is:

A) buildup of salt in water

B) buildup of salt in soil

C) buildup of salt in air

D) none of the above

All the following are infectious agents except:

A) giardiasis

B) salmonella

C) dioxin

D) malaria

The goa of the Marine Mammal Protection Act is:

A) optimum sustainable population

B) maximum sustainable yield

C) establishing carrying capacity

D) maintaining aquaculture production

Biomagnification is associated with all of the following except

A) the accumulation of chemicals in organisms

B) higher toxin concentrations at successive trophic levels

C) the devleopment of tolerance to pesticide or toxin

D) biomagnification can occur in both aquatic and terrestrial habits

The interaction of different substances where the combined effect is greater than the sum of the effect of the separate substances:
A) dose response

B) synergism

C) particulates

D) biomagnification

Which of the following is not a fossil fuel?

A) coal

B) oil

C) natural gas

D) geothermal energy

Carcinogen exposure increases the risk of developing:

A) cardiovascular disease

B) cancer

C) asbestosis

D) Mercury poisening

Upwellings provide fish with:

A) trubidity

B) fresh warm water

C) nutrient rich water

D) predators

Shrimp farms threaten the existence of:

A) oldgrowth forests

B) mangrove forests

C) sand bars

D) coral reefs

97% of all water on earth is in the oceans. Which of the following is the correct order of the earth's water storage compartments largest to smallest?

A) oceans, atmostphere, lakes, groundwater, rivers, ice caps

B) oceans, groundwater, rivers, ice caps, atmosphere, lakes

C) oceans, ice caps, groundwater, lakes, atmosphere, rivers

D) oceans, lakes, ice caps, groundwater, atmosphere, rivers

The thinning of sea ice is having a large impact on the ____ population

A) sea lion

B) polar bear

C) whale

D) dolphin

The ____ is driving out the spotted owel from its habitat.

A) barred owel

B) squirrel

C) fox

D) blue bird

Deforestation has increased ______.

A) erosion

B) water runoff

C) habitat loss

D) all of the above have increased because of deforestation.

Species interact mainly through

A) competition

B) symbiosis

C) exclusion

D) mutualism

An organims's role, or life style, within the structure of an ecosystem is its:

A) habitat

B) trophic level

C) ecological niche

D) ecological resource

Which of the following trees can withstand wetter conditions?

A) northern cedar

B) black spruce

C) balsam fir

D) all the above

How many African children die each day from Malaria?

A) 500

B) 800

C) 1,000

D) 3,000

A species in imminent danger of extinction throughout all or a significant portion of its range is said to be:

A) commercially extinct

B) endangered

C) threatened

D) invasive

How many species have been recovered in the US since the inception of the Endangered Species Act of 1973

A) 2

B) 43

C) 430

D) 7600

Uneven-aged stands have at least _____ distinct age classes.

A) two

B) three

C) six

D) ten

Creating a ____ to compare the ecosystem we are restoring with has scientific benefits

A) new habitat

B) natural environment

C) destroyed ecosystem

D) control point

Which of the following is a short-term limiting factor on a population?

A) desertification

B) soil erosion

C) disruption of food distribution

D) decline in groundwater supplies

Which of the following activites does NOT change the amount water evaporated into the atmosphere?
A) buildup large dams

B) pumping groundwater

C) building reservoirs

D) paving streets

Nitrogen makes up ____% of the Earth's atmosphere.

A) 0.03%

B) 21%

C) 80%

D) 98%

NOrthern spotted owls make their home in:

A) oak trees

B) old growth conifers

C) maple trees

D) young pine forests

What percentage of the land surface is occupied by agriculture?

A) 10%

B) 12%

C) 15%

D) 17%

An ecological community is:

A) a set of interacting species that occur in the same place

B) a system of interdependent living and nonliving components in a given area or given over a period of time

C) a system based on the living environment

D) the total physical and chemical environment of a continent

What chemical had led to the disappearance of the bald eagle in many areas?

A) DDT

B) Nitrogen oxide

C) Organophosphates

D) Pyrethrum

Which of the following represents an idea associated with environmental sustainability?

A) the capacity of the environment to absorb toxins is unlimited

B) the human population continues to grow

C) we are using fossil fuels as if they were presented in unlimited supply

D) the earth's resources are not presented in infinite supply

A sustainable society

A) ensures that Earth's resources will remain adequate to supply future generations

B) always uses resources but protects the quality of human life

C) harms the environment without causing economic hardships and social concerns

D) none of the above

Since bogs do not have surface outlets water flows

A) still and steady

B) quietly and slowly

C) loud and fast

D) rapid and rough

Which of the following is not a charactersitic of a species that vulnerable to extinction

A) endemic rates

B) high reproductive rates

C) low reproductive success

D) occupation of a large territory or region

The last remaining habitat of 70 threatened and endagered species can be found in ____.

A) Iowa

B) Nebraska

C) Florida

D) Kansas

Which of the following is a long term-limiting factor on a population?
A) Cyclone damage

B) pollutants entering the water supply

C) decrease in firewood

D) outbreak of a new disease

As of 2001, the population on Earth was about ___ and the annual rate of population growth was ____.

A) 1.2 billion; 3.7%

B) 6.3 billion; 1.4%

C) 8.6 billion; 0.5%

D) 12.0 billion; 2.5%

What are macro nutrients?

A) elements not required at all by any form of life

B) elements required in adequate amounts by some forms of life

C) elements required in small amounts by all life

D) elements rquired in large amounts by all life

Autotrophs are:

A) decomposers

B) primary producers

C) whales

D) top predators

The Amboseli National Reserve area is very sensitive to:

A) light

B) soil acidity

C) changing rainfall

D) changing temperatures

Habitat fragmentation usually leads to a(n)

A) decrease in biodiversity

B) reduction in the number of introduced species

C) increase in biodiversity due to the isolated populations

D) increase in the number of introduced species

The total number of genetic characteristics of species' biological population is called:

A) mutuation

B) genetic diversity

C) competitive exclusion

D) ecological gradient

Epidemic disease include all of the following except:

A) influenza

B) measles

C) Cancer

D) cholera

Sustainable architecture aims to:

A) design buildings based on historical architectural design

B) desgin buildings that do not waste energy and are environmentally friendly

C) design buildings that are environmentally friendly, and use many resources to be maintained

D) all the above

Nitrogen is needed to manufacture which two important biological compounds?

A) proteins and DNA
B) proteins and water

C) sugar and starch

D) DNA and sugars