Life science Chapter 4: Invasion of the zebra mussels

What are zebra mussels?

• an invasive species of mussel that latches on to any surface

• underwater striped horses that steal all of the food

• an invasive species of zebra that tramples farmers' crops

• an invasive species of mussel that latches on to any hard surface

What is an invasive species?

• An organism that dominates the food chain and has no predators.

• A non-native organism that is causing an ecosystem to decline

• An endangered species that is at the bottom of the food chain

• An organism that is not native but solves an economic problem.

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zebra mussels are an invasive species in the __________ river.

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Zebra mussels will latch onto any __________ surface.

What do Zebra mussels eat? select all that apply.

• Zooplankton

• Phytoplankton

• Algae

• Small fish

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Zebra mussels are filter feeders.

• True

• False

Zebra are a __________ species in the Hudson river.

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What surfaces can zebra mussels latch on to? Select all that apply.

• wood, such as that used to make piers

• Plastic/metal used to make boats

• Sand/small shells on the beach

• Other animals

• Plants in the riverbed