Aquatic Ecosystems

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What is an estuary?

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An estuary is a coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

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NGSS.MS-ESS2-4

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What does the term 'biotic' refer to in an ecosystem?

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Biotic refers to the living parts of an ecosystem, including plants, animals, and microorganisms.

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What is brackish water?

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Brackish water is a mixture of saltwater and freshwater, typically found in estuaries.

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What must organisms in estuaries be able to survive?

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Organisms in estuaries must be able to survive changing salt levels.

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NGSS.MS-LS2-4

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What are biotic factors?

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Biotic factors are the living components of an ecosystem, such as animals, plants, and bacteria.

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NGSS.MS-LS2-2

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What are abiotic factors?

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Abiotic factors are the non-living components of an ecosystem, such as water, soil, and temperature.

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NGSS.MS-LS2-3

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Give an example of a biotic factor found in lakes and ponds.

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Turtles, algae, fish, and beavers are examples of biotic factors found in lakes and ponds.

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What is the primary source of energy for aquatic ecosystems?

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The primary source of energy for aquatic ecosystems is sunlight, which supports photosynthesis in aquatic plants.

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NGSS.MS-LS1-6

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What role do producers play in aquatic ecosystems?

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Producers, like algae and aquatic plants, convert sunlight into energy through photosynthesis, forming the base of the food web.

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NGSS.MS-LS1-6

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What is the significance of wetlands in aquatic ecosystems?

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Wetlands act as natural filters, improve water quality, and provide habitat for many species.

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NGSS.MS-LS2-3