3.5 Invasive and Exotic species

Multiple Choice

What is an invasive species?

• A species that is native to the land

• A species that is introduced to a new environment and typically causes damage to their new ecosystem.

• A species that is in an ecosystem as a result of primary succession

Multiple Choice

Why do the populations of invasive species grow so quickly?

• They are prey to many animals.

• They have no food in their new ecosystem.

• Invasive species have no natural predators.

Multiple Choice

How do invasive species travel?

• They are pets released by people.

• They travel via boat, latching themselves onto the hull and traveling for thousands of miles

• They are brought in by people traveling or importing goods.

• All of the above

Multiple Choice

Invasive species can have a major negative impact on the ecosystem

• true

• false

Multiple Choice

How can we try to help fix the invasive species problem?

• Make sure you’re not taking any native plant, animal, or bug with you when you travel

• Do not transport plants from other places, even as decoration.

• Do not release pet animals into the wild.

• All of the above.