SY24 Invasive Species Quiz

How do invasive species like the Asian carp affect river ecosystems in the United States?

• Invasive species like the Asian carp only affect one aspect of river ecosystems

• Invasive species like the Asian carp can have a negative impact on river ecosystems by outcompeting native fish species, disrupting food chains, and altering habitats.

• Invasive species like the Asian carp help improve the balance of river ecosystems

• Invasive species like the Asian carp have no impact on river ecosystems

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Can you provide some common examples of invasive species?

• African elephants

• Japanese maple trees

• Australian kangaroos

• Some common examples of invasive species include zebra mussels, kudzu, Burmese pythons, and European starlings.

What are effective strategies for managing the spread of the zebra mussel, an invasive species in North American waterways?

• Ignoring the problem and hoping it goes away

• Genetic modification

• Introducing more invasive species to compete with the zebra mussel

• Manual removal, biological control, chemical control, and mechanical control

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Consider a scenario where a new plant species is introduced into a region where it has no natural predators. Over time, this plant starts to dominate the landscape, outcompeting native plants for resources and altering the habitat. What term best describes this new plant species?

• Species that are welcomed and beneficial to the environment

• Native species that are not harmful to the environment

• Species that are only harmful to the economy but not the environment

• Non-native species causing harm to the environment, economy, or human health.

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How do invasive species like the Zebra Mussel affect biodiversity in freshwater ecosystems?

• Invasive species like the Zebra Mussel can decrease biodiversity by outcompeting native species and disrupting ecosystems.

• Invasive species like the Zebra Mussel have no impact on biodiversity

• Invasive species like the Zebra Mussel increase biodiversity by introducing new species

• Invasive species like the Zebra Mussel only affect one specific species, not overall biodiversity

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How do invasive species such as the Asian Carp spread and how can they be managed?

• Invasive species like the Asian Carp spread only through intentional release and can be managed by ignoring their presence

• Invasive species such as the Asian Carp spread through various means such as accidental introduction, intentional release, or natural dispersal. They can be managed through methods like early detection and rapid response, control and eradication efforts, and prevention of further spread.

• Invasive species like the Asian Carp spread by swimming across water bodies and can be managed by building more aquatic habitats for them

• Invasive species such as the Asian Carp spread through natural dispersal in water systems and can be managed by introducing more of them into the ecosystem to balance the population

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Why are invasive species like the Zebra Mussel considered a threat to native species in the Great Lakes?

• Invasive species like the Zebra Mussel are not a threat to native species in the Great Lakes because they help improve biodiversity

• Invasive species like the Zebra Mussel are considered a threat to native species in the Great Lakes because they can outcompete them for resources, introduce new diseases and predators, and ultimately lead to a decline in the native species population.

• Invasive species like the Zebra Mussel are not a threat to native species in the Great Lakes because they do not compete for the same resources

• Invasive species like the Zebra Mussel are not a threat to native species in the Great Lakes because they are easily controlled by natural predators

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What are the economic impacts of invasive species?

• Invasive species improve crop yields and fisheries

• Invasive species can cause damage to crops, fisheries, and infrastructure, and increase costs for control and management.

• Invasive species reduce costs for control and management

• Invasive species have no impact on the economy

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What are some of the challenges in managing invasive species in a national park?

• Positive impact on biodiversity in the park

• Ease of controlling invasive species within park boundaries

• Lack of public interest in the issue among park visitors

• Limited resources, difficulty in eradicating established populations within the park, potential harm to native species and ecosystems

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How can individuals help prevent the spread of invasive species?

• Not cleaning boats and equipment before moving them to a new body of water

• By avoiding the release of exotic pets and plants into the wild, cleaning boats and equipment before moving them to a new body of water, and being cautious when purchasing and planting non-native species in their gardens.

• Releasing exotic pets and plants into the wild

• Purchasing and planting non-native species in their gardens without caution

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