What percentage of threatened or endangered species are at risk due to invasive species?

• 42 percent

• 50 percent

• 30 percent

• 60 percent

How do invasive species primarily spread?

• Through human activities

• Through natural disasters

• Through climate change

• Through animal migration

Which of the following is an example of an invasive species mentioned in the passage?

• West Nile virus

• Asian carp

• Kudzu

• Zebra mussel

What is a recommended method to manage the spread of invasive species?

• Plant native plants

• Use chemical pesticides

• Introduce more non-native species

• Ignore them

What is a common impact of invasive species on ecosystems?

• Reduce biodiversity

• Increase biodiversity

• Stabilize ecosystems

• Enhance native species growth