Invasive Species

What is an invasive species?

• A. A species that lives only in its native habitat

• B. A species that cannot survive without humans

• C. A non-native species that spreads and causes harm

• D. A species that migrates every year

Answer explanation

Correct: C

Which bird is described in the video as an invasive species?

• A. Bald eagle

• B. Starling

• C. Penguin

• D. Owl

How did starlings end up in a new environment?

• A. They flew there naturally

• B. Weather storms moved them

• C. Humans brought them

• D. Other animals carried them

What problem can invasive species cause in their new environment?

• A. They disappear quickly

• B. They have no effect

• C. They help native species grow

• D. They compete with or harm native species

Which statement best explains why invasive species spread quickly?

• A. They are always bigger than native species

• B. They have many predators in new places

• C. They often have few predators in new ecosystems

• D. They cannot survive without help