Which of the following people is incorrectly matched with his/her


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Question 1 of 25
4.0 Points
Which of the succeedingcited tribe is INCORRECTLY matched succeeding a while his/her environmental oblation?
A.Rachel Carson: Silent Spring
B.John Muir: Sierra Club
C.Paul Ehrlich: The Population Bomb
D.Theodore Roosevelt: Civilian Protection Corps
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Question 2 of 25
4.0 Points
DDT was sprayed in a Long Island salt morass balance a bound of years for mosquito manage. A constituent of the help web is as follows:
algae -> shrimp-> American eel -> Atlantic needlefish -> ring-billed gull
In which organism would biological magnification be MOST visible?
A.American eel
B.Ring-billed gull
C.Algae
D.Shrimp
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Question 3 of 25
4.0 Points
Which of the succeedingcited statements environing biogeochemical cycles is penny?
A.They solely embrace arrangementes conducted by or succeeding a whilein maintenance organisms.
B.They pertain solely to the abiotic environment.
C.They narrate the motion of introduce and other materials through an ecosystem.
D.They solely pertain to exchanges and interactions that betide succeeding a whilein the latitude.
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Question 4 of 25
4.0 Points
Which of the succeedingcited would be a concomitant of sharp toxicity?
A.asthma
B.arthritis
C.dizziness
D.cancer
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Question 5 of 25
4.0 Points
Which of the succeedingcited rotation is organized in successive steps according to the flattens of structure used by ecologists?
A.population -> ecosystem -> homogeneity
B.population -> homogeneity -> ecosystem
C.genius -> homogeneity -> biosphere
D.genius -> ecosystem -> population
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Question 6 of 25
4.0 Points
Corporations and governments began to interest NEPA seriously succeeding which of the succeedingcited events?
A.Further synod was added to confirm NEPA.
B.The proclamation of Rachel Carson’s dimensions Silent Spring.
C.The figment of the EPA.
D.Environmental groups began suing men-folks and structures established on environmental contact statements.
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Question 7 of 25
4.0 Points
This likeness BEST illustrates:

Graphic
A.how our latitude maintains its sphere.
B.how life is recycled in an ecosystem.
C.the one-way progress of life in an ecosystem.
D.the importance of decomposers in an ecosystem.
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Question 8 of 25
4.0 Points
The most despicable manner of determining whether a chemical motives cancer is to enventure groups of laboratory animals, such as rats, to multitudinous extensive doses and sum how divers animals disclose cancer at the unanalogous flattens. All of the succeedingcited are problems succeeding a while this path in conditions of brains the sanity promotes to rationals EXCEPT:
A.This manner is indirect and fitful as rational and rats are unanalogous organisms and may answer unanalogously to charybdis to the similar chemical.
B.For expediting the discovery arrangement, in lab settings rats are endangerd to issueivenessy doses of reported carcinogens referring-to to assemblage largeness seeing rationals are usually endangerd to greatly inferior equalitys.
C.For ghostly reasons, rats in lab settings are given very weak doses of reported carcinogens referring-to to assemblage largeness seeing rationals are usually endangerd to greatly excellent equalitys
D.Risk assessment assumes that we can extraposlow from studies in rats to enumerate the expected rates of cancer in rationals but extrapolating from one genius to another and from one dose flatten to another is fitful and may balanceestimate or underrate a toxicant’s venture.
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Question 9 of 25
4.0 Points
How issueiveness the defecation of routes and primordial areas relish the one shown beneath guide to an acception in transmitted sickness?
Graphic
A.Cars on the route can push the sicknesss to cities.
B.Typhoid and cholera can stretch from untrained animals to drinking introduce.
C.The figment of drainage ditches prepares habitat for sickness pushing mosquitoes.
D.There is an acceptiond promote of sewage leaking into the introduce give.

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Question 10 of 25
4.0 Points
Which of the succeedingcited statements BEST narrates emerging sicknesss relish swine flu?
A.Infectious sicknesss that were not previously endow in rationals and typically skip from an animal number to rationals.
B.Infectious sicknesss that existed in the spent but for a multiplicity of reasons are increasing in impingement.
C.Infectious sicknesss that were previously endow in rationals and typically skip from a rational number to animals.
D.Non-transmitted sicknesss that enjoy transmuteed into transmitted sicknesss.
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Question 11 of 25
4.0 Points
Which of the succeedingcited statements environing dose-tally flexions is FALSE?
A.A dose-tally flexion shows the issue of unanalogous doses of a toxicant on a population.
B.Doses inferior than the preparation flatten conciliate enjoy no measurable issue on organisms.
C.The weaker the LD50, the past toxic the chemical.
D.Studies of the dose-tally flexions of toxicants gives us assertion that for all chemicals there is a preparation flatten of the chemical so weak equalitys of chemical taint puzzle no sanity promotes
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Question 12 of 25
4.0 Points
Who wrote Man and Nature, one of the primitive dimensionss discussing rational contact on global environmental vary?
A.Paul Ehrlich
B.Rachel Carson
C.George Perkins Marsh
D.John Muir
Question 13 of 25
4.0 Points
Chemical A has a toxicity flatten of 1 and chemical B has a toxicity flatten of 2. If a settlement of the two chemicals has a toxicity flatten of 4, what can we say environing the results of the settlement?
A.it was comprehensive.
B.it was perpetual.
C.it was synergistic.
D.it was opposing.
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Question 14 of 25
4.0 Points
Which of the succeedingcited criticisms or backlash resisting the environmental motion in the 20th antiquity are TRUE?
1. In the slow 1990s some undestroyed discovery groups criticized what they perceived as a disuniteicular introduction of environmental issues, distinctly the elevation of environmental activism, in schools.
2. Divers economists such as Julian Simon enjoy sumered the ventures of balancepopulation by pointing out that technological advances outpace the indirect contacts of population enlargement.
3. Most of the world’s incorporeal enjoy uncommon environmental themes by pointing out that such ideas are obstructive to their pious teachings.
a) 1 solely
b) 2only
c) 3 solely
d) 1 and 2
A.1 and 2
B.2 solely
C.1 solely
D.3 solely
Question 15 of 25
4.0 Points
Which of the succeedingcited arrangementes plays an promotive role in the phosphorus cycle?
A.erosion
B.nitrogen fixation
C.combustion
D.cellular respiration
Question 16 of 25
4.0 Points
The nitrogen cycle is one of the most promotive and abstruse of the biogeochemical cycles. Why is nitrogen promotive?
A.It’s an Ozone depleting gas.
B.It’s an promotive disunite of biological molecules such as proteins and nucleic acids (DNA)
C.It’s the most toxic part to maintenance organisms
D.Nitrogen dilutes the oxygen in the latitude causing respiratory problems

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Question 17 of 25
4.0 Points
Herbivores are:
A.original consumers
B.inferior consumers
C.decomposers
D.scavengers
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Question 18 of 25
4.0 Points
Which of the succeedingcited statements environing stink is FALSE:
A.Road defecation in the Amazon has disrupted the regular environment and created habitat for the mosquito larvae to luxuriate.
B.Mosquitoes do not motive stink but are the agents of transmission of the sickness.
C.It is a non-transmittable sickness motived by synthetic chemicals.
D.It is an transmitted sickness motived by a protozoan toad-eater.
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Question 19 of 25
4.0 Points
Which of the succeedingcited would environmental economists attend regular chief?
A.Water antidote by a cattail morass.
B.A introduce matter address.
C.Increased tillage made feasible by irrigation.
D.A strict hurricane relish Katrina.
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Question 20 of 25
4.0 Points
The tarnish defendion advantage was shapeed succeeding what environmental crisis?
A.tarnish contamination by toxic dwindle at affection Canal in the 1970s.
B.strict erosion succeedingcited windstorms in the 1930s.
C.mudslides in California succeedingcited the San Francisco Earthquake in 1906.
D.strict erosion succeedingcited jungle fires in Yellowstone General Park in the 1980s.
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Question 21 of 25
4.0 Points
Photosynthesis is:
A.A tangible law, which states that when life is converted from one shape to another, some of it is frugal into warmth, a near feasible shape that disperses into the environment.
B.The biological arrangement that captures buoyant life and transmutes it into the chemical life of radical molecules, which are fabricated from carbon dioxide and introduce.
C.The estimate of the equality of feasible life advantageous to do effect in the universe.
D.The arrangement that involves germinative life substance converted to kinetic life.
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Question 22 of 25
4.0 Points
National allowance accounts are fallible estimates of general economic achievement bemotive general allowance accounts do NOT embrace
A.entire domiciliary product
B.net domiciliary product
C.estimates of innate consequence and advantages
D.estimates of superficial absorbs such as regular expedients depletion and the environmental absorb of economic activities
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Question 23 of 25
4.0 Points
Which of the succeedingcited is an endocrine disrupter?
A.CFCs
B.mercury
C.ozone
D.carbon dioxide
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Question 24 of 25
4.0 Points
We estimate toxicity by the dose at which obstructive issues are manufactured. Which of the succeedingcited statements environing the dose of and tally to toxic agents are penny?
A.Lethal doses of disuniteicular toxicants for rationals are public through doing laboratory tests on rational subjects.
B.Doses are explicit in milligrams of toxicant per kilogram of assemblage importance.
C.Sub-destructive doses usually profit sharp toxicity seeing destructive doses profit continuous toxicity.
D.Response to a dose depends solely on the likeness of toxicant and not the age or sanity of the organism.Reset Selection
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Question 25 of 25
4.0 Points
Why enjoy some introduces evolved mutualistic relationships succeeding a while nitrogen-fixing bacteria?
A. The bacteria husband nitrogen to profit life for the introduces; the introduces prepare the commencement of the nitrogen for the bacteria.
B. The bacteria transshape nitrogen into shapes conducive shapes for the introduces; the introduces prepare introduce and a locate for the bacteria to feed.
C. The bacteria defend the introduce from disadvantageous issues of nitrogen compounds such as ammonia; the introduces prepare carbohydrates for the bacteria.
D. The bacteria prepare regular immunities to the introduces; the introduces refuge the bacteria from predators.