Animal Invaders

What is an invasive species?

• A species native to an ecosystem and beneficial to its environment.

• A species that helps increase biodiversity by being introduced to new areas.

• A species that is introduced to a new environment and causes harm.

• A species that is naturally found in an environment and does not interact with others.

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What animal did the video mention as being introduced to Guam?

• Burmese pythons

• Feral pigs

• Brown tree snakes

• Australian pine

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How much do invasive species cost the U.S. annually?

• $120 million

• $120 billion

• $1.2 billion

• $12 billion

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What is one method used to control invasive brown tree snake populations?

• Planting trees that snakes cannot climb

• Parachuting dead mice filled with toxins

• Using sonic waves to drive them away

• Introducing natural predators

Which invasive species is known for its impact on the Everglades?

• Beavers

• Kudzu vines

• Fire ants

• Burmese pythons

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