Exam 5: Biodiversity - Species Interactions - and Population Control

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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.​

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Most interspecific competition involves one species becoming more efficient than others in obtaining the resources it needs.

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​Newborn young would fall under which category of a population's age structure?

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Some prey species use ____ to scare off predators by puffing up (blowfish),spreading their wings (peacocks),or mimicking a predator.​

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Some ecosystems,like tropical rain forests,have high inertia but aren't very resilient.​

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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 ____________________.

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Different limiting factors are important for different kinds of environments.​

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Describe what it would mean for a population of a species to have an early loss survivorship curve.​

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An exponential growth curve depicting an ever-growing population is shaped like the letter ____.​

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Explain why r-selected species may go through irregular and unstable boom-and-bust cycles in their population sizes.​

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​The blood-sucking lamprey,which attaches to its host to feed,is an example of a(n)_____________________.

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Species that have a capacity for a high rate of population increase are called ____.​

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​Southern sea otters are considered a(n)____________________ species because they help control sea urchin populations to sustain kelp forests.

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A habitat's carrying capacity is largely determined by ____.​

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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.

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A(n)____________ is a group of interbreeding individuals of the same species.

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The relationship between a lion and a zebra is said to be that of a(n)____________________.

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Match the items listed below with the appropriate choice. -Fleas live in and on household pets.​​

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​The southern sea otter is a(n)____ species that helps to sustain kelp forests by controlling populations of sea urchins.

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A late loss population typically has high survivorship to a certain age,then high mortality.​

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