Ecosystem Invaders - Story Review (3rd)

What does the author of the selection say about invasive species?

• There is nothing we can do about them.

• They are harmful to an ecosystem.

• Humans don't have to worry about them.

• Plants and animals can adapt to them.

The brown tree snake is invasive because it

• destroys big trees.

• kills all the kudzu.

• attacks humans.

• eats so many other animals.

Kudzu is a big problem because it

• helps harmful insects.

• covers other plants.

• poisons other plants.

• makes animals sick.

Why has kudzu spread so quickly in the South?

• good climate

• leafy bandage

• large leaves

• small leaves

Why did the brown tree snake spread so quickly in its new ecosystem?

• It was very small.

• A female snake lays millions of eggs in water.

• They carried disease.

• No other animals could compete with them for food.

Where did the brown tree snake first live?

• United States

• Japan

• Lake Saint Clair

• Australia

How did brown tree snakes get to Guam?

• They probably hid on ships.

• They probably hid in the luggage compartment of planes.

• They probably swam from nearby islands.

• They were brought there as pets.