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Question
Orchids require tree limbs for support, but do not harm the trees. This demonstrates ________.A) facilitation
B) commensalism
C) amensalism
D) mutualism
E) allelopathy
Answer
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Related questions
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Urbanization drives TFR down.
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A) the book The Population Bomb, which described the disastrous effects of human population growth
B) the idea that, without social strictures, the increase in the human population would lead to famine and war
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The most accurate terms describing the trend over the past 50 years in resource use for human energy and agricultural systems are ________.
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According to the IPAT model, the introduction of industrialized fisheries that use big trawlers, satellite navigation, and sonars to locate the fish ________.
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If global fertility rates remain at 2010 levels, the United Nations predicts that the world population will be approximately ________ billion in 2050.
A) 11
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B) the increased use of contraceptives
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B) Asia
C) Latin America
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The application of population ecology principles to the study of statistical change in human populations is the focus of the social science of ________.
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C) coevolution
D) climax
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A) primary succession
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Briefly explain deep ecology.
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Q:
Toronto's greenbelt, created by the government of Ontario, is a means of ________.
A) developing more golf courses in the region
B) containing urban development while protecting natural or agricultural lands in the area
C) ensuring greenery within and around the City of Toronto
D) replanting trees where vacant lots were once located
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A) unregulated urban sprawl produces severe air pollution
B) a walkable city centre and an expanded bus system can solve a large city's traffic congestion
C) once roads are widened, traffic congestion decreases
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E) traffic flows smoothly once pedestrians and bicycles are eliminated
Q:
What is a downside of establishing urban growth boundaries (UGB)?
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The reason why many cities have established an urban growth boundary (UGB) is ________.