Exam 4: Community Ecology, Population Ecology, and the Human Population

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The gradual establishment of communities in areas that were previously lifeless is known as ____________________.

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The United Nations plans to reduce population growth include all but which one of the following means?

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The ____________________ is the rate a population would grow if it had unlimited resources.

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  -On the natural restoration of disturbed land figure,choose the letter that represents a mature forest of hardwoods. -On the natural restoration of disturbed land figure,choose the letter that represents a mature forest of hardwoods.

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An area that is in primary ecological succession would be a suitable habitat for a population of hardwoods because of the availability of resources.

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The relationship between clownfish and anemones is

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Resource partitioning can help a species achieve

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Ticks feeding on the blood of a field mouse exemplify

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A population will experience a die-back,or crash,when going from exponential to logistic growth due to

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The biotic potential and population size modified by the environmental resistance determine the ____________________.

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Keystone species are particularly more susceptible to extinction than other species because they are small organisms.

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  -On the exponential growth of reindeer figure,choose the portion of the graph that can also be called a dieback. -On the exponential growth of reindeer figure,choose the portion of the graph that can also be called a "dieback."

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Which of the following is a specialist species?

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Ecological succession proceeds in an orderly fashion from pioneer species to a climax community.

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Why is predation considered beneficial at the population level but harmful at the individual level?

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Predation and parasitism are examples of antagonistic ecological interactions in which one species takes advantage of another species.

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Species that migrate or are accidentally introduced into an ecosystem are called

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Resource partitioning is one solution to the problems associated with ecological succession.

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____________________ are plants and animals that aggressively expand into natural communities where their abundance disturbs the natural balance of ecosystem structure and function.

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The human population can continue following a J-shaped growth curve because of technology.

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