Exam 5: Biodiversity, Species Interactions, and Population Control

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  Use the figure above to answer the following question(s). What does it mean when a population uses up their resource supplies and temporarily overshoots? Which letter on this graph represents when this has occurred to a certain reindeer population? Use the figure above to answer the following question(s). What does it mean when a population uses up their resource supplies and temporarily overshoots? Which letter on this graph represents when this has occurred to a certain reindeer population?

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Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except _____.

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Grasslands have ____ and can burn easily.

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Some prey species make themselves larger or mimic a predator, both of which are called ____________________.

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The primary reason why southern sea otter recovery is important is because they ____.

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What is succession that begins in an area where an ecosystem has been disturbed, removed, or destroyed, and that contains soil or bottom sediment?

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What is a population's distribution of individuals among various age groups called?

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What refers to the ability of a living system to be restored after a period of moderate to severe disturbance?

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The non-poisonous ____ butterfly gains protection by looking like the bad-tasting ____ butterfly, which is a protective device known as ____.

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What would cause a population to overshoot its carrying capacity?

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What occurs when an interaction benefits one species but has little, if any, effect on the other?

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Late successional plants are largely unaffected by plants at earlier stages of succession because they are not in direct competition for resources, a factor called ____.

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Some prey species discourage predators with chemicals that are poisonous, irritating, foul smelling, or bad tasting. What is this called?

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The southern sea otter is a tool-using mammal.

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  Use the figure above to answer the following question(s). What happens to a population if a dieback occurs, and which portion of the graph represents this? Use the figure above to answer the following question(s). What happens to a population if a dieback occurs, and which portion of the graph represents this?

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Primary and secondary ecological succession tend to increase biodiversity of communities and ecosystems by increasing species richness and interactions among species.

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Humans are exempt from population overshoot and dieback.

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In _______________, two species behave in ways that benefit both by providing each with needed resources.

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Kelp forests are composed of large concentrations of a(n)____.

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Which of the following has caused the population of the southern sea otters to fluctuate?

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