Mussels and Their Ecological Importance

What role do mussels play in the ecosystem?

• They are predators of small fish.

• They are indicators of water quality.

• They produce oxygen for aquatic life.

• They are primary producers in the food chain.

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What do mussel shells provide for aquatic ecosystems?

• Food for large fish

• Habitat and nesting sites

• Source of light

• Source of heat

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What is the main dietary benefit of mussels?

• High in fiber

• High in protein

• High in sugar

• High in fat

What is the significance of mussels in water filtration?

• They increase water temperature.

• They act as a powerful water filter.

• They decrease water flow.

• They increase water salinity.

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What do mussels feed on?

• Large fish

• Organic matter suspended in the water column

• Rocks and minerals

• Sand and gravel

Why are mussels considered bioindicators of water quality?

• They are colorful and easy to spot.

• They accumulate contaminants in their tissues.

• They are fast swimmers.

• They produce oxygen.

How do mussels help the ecosystem?

• By producing light.

• By filtering water and cycling nutrients.

• By eating large fish.

• By creating deserts.

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Since when have scientists recorded mussels' declines from waterways?

• 1920s

• 1960s

• 1980s

• 2000s

What type of feeding do mussels use to remove material from water?

• Predatory feeding

• Filter feeding

• Photosynthesis

• Parasitic feeding

What role do mussels play in aquatic ecosystems according to the text?

• They are predators of small fish.

• They are natural water purifiers.

• They are primary producers.

• They are decomposers.

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