Exam 5: Biodiversity - Species Interactions - and Population Control
Exam 1: Environmental Problems - Their Causes - and Sustainability95 Questions
Exam 2: Science - Matter - and Energy97 Questions
Exam 3: Ecosystems - What Are They and How Do They Work100 Questions
Exam 4: Biodiversity and Evolution100 Questions
Exam 5: Biodiversity - Species Interactions - and Population Control98 Questions
Exam 6: The Human Population and Urbanization102 Questions
Exam 7: Climate and Biodiversity101 Questions
Exam 8: Sustaining Biodiversity - the Species Approach99 Questions
Exam 9: Sustaining Biodiversity - the Ecosystem Approach100 Questions
Exam 10: Food - Soil - and Pest Management100 Questions
Exam 11: Water Resources and Water Pollution99 Questions
Exam 12: Geology and Nonrenewable Minerals100 Questions
Exam 13: Energy98 Questions
Exam 14: Environmental Hazards and Human Health100 Questions
Exam 15: Air Pollution Climate Change and Ozone Depletion96 Questions
Exam 16: Solid and Hazardous Waste100 Questions
Exam 17: Environmental Economics Politics and Worldviews99 Questions
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When populations of two different species interact over time in a way that drives changes in their gene pools,it can be said that __________________ occurs.
Free
(Short Answer)
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Correct Answer:
coevolution
A relationship in which one species benefits while the other is neither helped nor harmed to any significant degree best illustrates ____.
Free
(Multiple Choice)
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Correct Answer:
C
Individuals within a population may also have slightly different tolerance ranges for temperature or other factors because of small differences in their genetic makeup,health,or age.
Free
(True/False)
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Correct Answer:
True
The normally gradual change in species composition in a given area in response to changing environmental conditions is called ____.
(Multiple Choice)
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Match the items listed below with the appropriate choice.
-Your housecat kills the mice in your yard and around your house.
(Multiple Choice)
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Prey species are those that feed directly on all or part of another organism.
(True/False)
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Scientists hypothesize that some southern sea otters might be dying because coastal area cat owners flush cat litter containing parasites in feces down their toilets or dump it in storm drains that empty into coastal waters.
(True/False)
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Some spiders and poisonous snakes use venom to paralyze their prey and to deter their predators.This is known as __________________.
(Short Answer)
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Hummingbirds consume nectar from flowers,and transfer pollen in the process.This is an example of ____.
(Multiple Choice)
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Explain why primary ecological succession usually takes hundreds or thousands of years,while secondary ecological succession can occur much more quickly.
(Essay)
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The venom of a poisonous snake is an example of secondary ecological succession.
(True/False)
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A relationship in which both species benefit best illustrates ____.
(Multiple Choice)
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In a desert environment,the amount of plant growth is controlled by the amount of precipitation.In this case,precipitation is a(n)____.
(Multiple Choice)
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Four variables govern changes in population size- births,deaths,__________________ and emigration.
(Short Answer)
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Which type of interspecific interaction could best be described as a "win-win" interaction?
(Multiple Choice)
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