Zebra Mussels Quiz

What type of organism are zebra mussels?

• Fish

• Mollusks

• Crustaceans

• Algae

Where are zebra mussels native to?

• North America

• Europe

• South America

• Australia

How did zebra mussels likely enter North America?

• Intentional introduction by scientists

• Natural migration

• Ballast water from ships

• Airborne dispersal

What do zebra mussels primarily feed on?

• Plankton

• Fish eggs

• Algae

• Detritus

What is the main method of zebra mussel reproduction?

• External fertilization

• Internal fertilization

• Asexual reproduction

• Budding

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What is the main reason zebra mussels are considered invasive?

• They have a large appetite for native fish.

• They are aggressive predators.

• They reproduce rapidly and outcompete native species.

• They carry diseases harmful to native species.

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In what ways can zebra mussels damage infrastructure?

• By releasing toxins into the water

• By clogging pipes and water intake systems

• By causing erosion along shorelines

• By consuming native vegetation

What is one method used to control zebra mussel populations?

• Introducing predators

• Increasing water temperature

• Chemical treatments

• Encouraging native species to compete

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What is the primary method of zebra mussel dispersal to new locations?

• Swimming

• Hitchhiking on boats and equipment

• Flying

• Burrowing through sediment

Which of the following statements about zebra mussels is true?

• They are native to North America.

• They are filter feeders.