APES FINAL EXAM REVIEW

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What is Integrated Pest Management (IPM)?

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A sustainable approach to managing pests that combines biological, cultural, physical, and chemical tools in a way that minimizes economic, health, and environmental risks.

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What is eutrophication?

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A process in aquatic ecosystems characterized by nutrient over-enrichment, leading to algal blooms and subsequent oxygen depletion.

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What are regulating ecosystem services?

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Ecosystem services that help regulate environmental conditions, such as flood control, climate stabilization, and pollination.

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What is nitrogen fixation?

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The process of converting atmospheric nitrogen (N2) into ammonia (NH3) by certain bacteria and archaea.

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Which resource is not renewable?

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Nuclear energy is not considered a renewable resource because it relies on finite uranium and thorium.

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What is the role of natural predators in pest management?

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Natural predators help control pest populations, reducing the need for chemical pesticides.

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What causes algal blooms?

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Algal blooms are primarily caused by excess nutrients, particularly nitrogen and phosphorus, entering water bodies.

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What is the nitrogen cycle?

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The biogeochemical cycle that describes the transformations of nitrogen and its compounds in the environment.

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What are supporting ecosystem services?

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Services that are necessary for the production of all other ecosystem services, such as soil formation and nutrient cycling.

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What is denitrification?

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The microbial process of converting nitrates (NO3-) into nitrogen gas (N2), thus removing nitrogen from the ecosystem.