Quiz on Introduced and Invasive Species

What is kudzu known for?

• Being a native plant

• Growing 30 centimeters per day

• Being a type of animal

• Having no impact on ecosystems

What happens to native species when invasive species are introduced?

• They thrive better

• They may die out

• They become invasive too

• They grow faster

What is an invasive species?

• A species that does not affect the ecosystem

• A species that is native to an area

• A species that helps other species

• A species that is better at competing for resources

How can kudzu be controlled?

• By leaving it alone

• By watering it more

• By burning it or using grazing animals

• By planting more kudzu

What does the water chestnut do in an ecosystem?

• Is a native species

• Helps plants grow

• Blocks sunlight needed by other species

• Provides food for fish

Why is garlic mustard hard to control?

• It uses up resources needed by native species

• Many animals eat it

• It is not invasive

• It grows very slowly

What is one way invasive species can affect food webs?

• They only affect plants

• They have no effect on food webs

• They change the conditions of the ecosystem

• They create new food sources

What is a characteristic of Brazilian elodea?

• It is a land plant

• It has no impact on sunlight

• It grows into dense mat-like structures

• It is native to the United States

What can happen to first-level consumers when invasive plants are introduced?

• They will become invasive

• Their food supply will decrease

• Their food supply will increase

• They will thrive

What is one direct threat of invasive species?

• Creating new habitats

• Providing more food

• Helping native species

• Out-competing for resources