Invasive species exit ticket

1. What makes a species invasive?

• Moving to a new ecosystem and taking resources from natives 
• Species that can't adapt
• Plants that take up too much space

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If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?

• Increase
• Decrease
• Stay the same
• No affect on smaller fish

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Which of the following is a key characteristic of most invasive species?

• Ability to breathe in the air & in the water
• Large, sharp teeth
• Produce many offspring
• Is a top predator

What is a native specie?

• A specie that is local and has lived in the same place
• A specie who has come from another state or country
• A specie that has no "home" and travels for its whole life
• None of the above

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Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

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When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?

• Non-native plants are able to mutate rapidly
• Non-native  plants cause native animals to relocate
• Non-native plants are able to be used for medicine
• Non-native plants compete with native plants for resources

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The lack of natural predators makes populations of invasive species unmanageable?

• True
• False

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Species that are indigenous to an area with no human intervention

• invasive species
• native species
• all species that live in an ecosystem

Invasive species have a negative impact on...

• the ecosystem
• the economy
• Both the ecosystem and the economy
• None of these

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What do invasive species do to the habitat they move into? (paragraph 2)

• crowd out local plants and animals
• eat all the mice and deer
• create a food chain

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