Aquatic Ecosystems Flashcard

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What factors determine the organisms that live in different areas of the water?

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Water flow, sediment, and pH.

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What is the function of wetlands?

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Wetlands serve multiple functions including water filtration, flood control, and providing habitat for wildlife.

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What is the definition of salinity?

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Salinity is the amount of salts dissolved in the water.

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What is the difference between a flowing system and a standing system?

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Flowing systems exchange gases and nutrients, while standing systems do not.

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Which zone of an aquatic ecosystem contains enough light for photosynthesis?

Back

The Photic Zone.

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What is the role of the benthic zone in aquatic ecosystems?

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The benthic zone is the lowest ecological zone in a water body, providing habitat for organisms and playing a role in nutrient cycling.

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How do temperature and depth affect aquatic ecosystems?

Back

Temperature and depth influence the distribution of organisms, oxygen levels, and nutrient availability.

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What are the primary producers in aquatic ecosystems?

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Primary producers in aquatic ecosystems include phytoplankton, algae, and aquatic plants.

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What is the significance of the thermocline in aquatic environments?

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The thermocline is a layer in a body of water where temperature changes rapidly with depth, affecting the distribution of aquatic life.

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What is eutrophication and how does it impact aquatic ecosystems?

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Eutrophication is the process of nutrient enrichment in water bodies, leading to excessive growth of algae and depletion of oxygen.

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