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Question
The speciesarea relationship suggests that if 90% of a coral reef is lost, then ____.
a. 90% of the species utilizing the reef will go extinct
b. 100% of the species will go extinct
c. 50% of the species will go extinct
d. speciation of invasive animals will increase
e. the habitat will forever become fragmented
Answer
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Related questions
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c. populations
d. biomes
e. niches
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a. two
b. four
c. six
d. eight
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a. True
b. False
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Genes mutate, individuals are selected, and populations evolve.
a. True
b. False
Q:
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a. free market
b. market pricing structure
c. gross domestic product
d. genuine progress indicator
e. government subsidy system
Q:
The economically and politically powerful interests that receive perverse subsidies spend a lot of time and money on ____, thus shifting to non-perverse subsidies would be difficult.
a. lobbying
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c. bribes
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e. politicians
Q:
In a market-based economic system, economic decisions about prices are controlled by ____.
a. supply and demand
b. the government
c. past customs and experience
d. the banks
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Q:
Less than 10% of the U.S. public considers the environment to be one of the nations most pressing problems.
a. True
b. False
Q:
Ecological economists consider natural capital to be important but not indispensable because they believe we can find substitutes for essentially any resource that we might deplete or degrade.
a. True
b. False
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Natural, human, and manufactured capital are the three types of capital used in most economic systems.
a. True
b. False
Q:
Stewardship is based on an idea that nature exists for all species alike and our success depends on how well we manage the earth and nature.
a. True
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Q:
It can take 400 to 1,000 years to break down ____ that end up in landfills or the ocean.
a. disposable coffee cups
b. batteries
c. glass bottles
d. plastic bags
e. aluminum cans
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If a carbon atom combines with oxygen atoms to form CO2, this would be described as ____.a. a physical changeb. a chemical changec. both a physical and chemical changed. first a physical change, but then it becomes a chemical changee. neither a physical change or a chemical change, but a scientific change
Q:
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____ are the fundamental structural and functional units of life.a. Ionsb. Atomsc. Compoundsd. Moleculese. Cells
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All organic compounds are characterized by the presence of ____.a. carbonb. hydrogenc. oxygend. nitrogene. phosphorus
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An acidic solution would have ____. a. more hydroxide ions than hydrogen ions and a pH greater than 7 b. more hydrogen ions than hydroxide ions and a pH greater than 7 c. more hydroxide ions than hydrogen ions and a pH less than 7 d. more hydroxide ions than hydrogen ions and a pH of 7 e. more hydrogen ions than hydroxide ions and a pH less than 7
Q:
The normally gradual change in species composition in a given area in response to changing environmental conditions is called ____.
a. background coevolution
b. intraspecific competition
c. inertia
d. ecological succession
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Q:
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a. competition
b. carrying capacity
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d. mutualism
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Q:
A relationship in which one organism benefits by living on or in a member of another species, which is harmed by the interaction, best illustrates ____.
a. competition
b. predation
c. mutualism
d. parasitism
e. commensalism
Q:
You are an evolutionary entomologist. You have observed beetles that can raise their abdomens and give off a defensive chemical that generally repels predators. You discover a new species of beetle that raises its abdomen in a threatening way similar to the first species, but no defensive chemical is given off. You are most likely to characterize this defensive strategy as a form of ____.
a. camouflage
b. chemical warfare
c. mimicry
d. flight mechanism
e. warning coloration
Q:
Hawks typically forage for their rodent prey species during the daytime. While owls may eat similar prey species, and live in the same area, they forage during the night. This is best described as an example of ____.
a. interspecific competition
b. mutualism
c. parasitism
d. predation
e. resource partitioning