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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Match the items listed below with the appropriate choice.
-A tiny fish called a wrasse lives in and around the mouth of sharks.It cleans up the debris left after the shark eats flesh,and it gains protection by living in the shark's mouth.
(Multiple Choice)
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Most interspecific competition involves one species becoming more efficient than others in obtaining the resources it needs.
(True/False)
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Newborn young would fall under which category of a population's age structure?
(Multiple Choice)
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Some prey species use ____ to scare off predators by puffing up (blowfish),spreading their wings (peacocks),or mimicking a predator.
(Multiple Choice)
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Some ecosystems,like tropical rain forests,have high inertia but aren't very resilient.
(True/False)
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Cowbirds are so named because they followed the large herds of cows that were driven throughout the American west before large tracts of land were fenced.Cowbirds consumed the insects that invariably followed the herds.There was no obvious benefit or other effect on the herds.This is an example of ____________________.
(Short Answer)
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Different limiting factors are important for different kinds of environments.
(True/False)
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Describe what it would mean for a population of a species to have an early loss survivorship curve.
(Essay)
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An exponential growth curve depicting an ever-growing population is shaped like the letter ____.
(Multiple Choice)
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Explain why r-selected species may go through irregular and unstable boom-and-bust cycles in their population sizes.
(Essay)
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The blood-sucking lamprey,which attaches to its host to feed,is an example of a(n)_____________________.
(Short Answer)
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Species that have a capacity for a high rate of population increase are called ____.
(Multiple Choice)
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Southern sea otters are considered a(n)____________________ species because they help control sea urchin populations to sustain kelp forests.
(Short Answer)
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A habitat's carrying capacity is largely determined by ____.
(Multiple Choice)
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Bacteria in the digestive systems of animals that help to break down the animals' food,and in return receive a sheltered habitat and food,are examples of mutualism.
(True/False)
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A(n)____________ is a group of interbreeding individuals of the same species.
(Short Answer)
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The relationship between a lion and a zebra is said to be that of a(n)____________________.
(Essay)
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Match the items listed below with the appropriate choice.
-Fleas live in and on household pets.
(Multiple Choice)
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The southern sea otter is a(n)____ species that helps to sustain kelp forests by controlling populations of sea urchins.
(Multiple Choice)
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A late loss population typically has high survivorship to a certain age,then high mortality.
(True/False)
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