Marine Invasive Species Review

What is a common effect of invasive species on local ecosystems?

• They disrupt local ecosystems and often cause harm

• They always improve biodiversity

• They have no effect on the environment

• They only affect non-living things

What is the primary way invasive species are introduced to new environments?

• By being moved from their native environment

• By always staying in one place

• By only traveling through the air

• By never leaving their original habitat

What does the term "disrupt" mean in the context of invasive species?

• To cause disorder or problems in the ecosystem

• To improve the ecosystem

• To leave the ecosystem unchanged

• To only affect non-living things

Why do invasive species matter?

• They can outcompete native species for resources.

• They help native species thrive.

• They always improve local ecosystems.

• They have no effect on human activities.

Which of the following is NOT a reason why invasive species matter?

• They can outcompete native species for resources.

• They disrupt the balance of local ecosystems.

• They can harm human economies.

• They always improve biodiversity.

Which sector can be negatively affected by invasive species?

• Fisheries

• Space exploration

• Computer technology

• Automobile industry

Which of the following is a negative effect of invasive species?

• Harm to human economies

• Increase in native species

• Improvement of all local industries

• No impact on the environment

Why might fishing contribute to ecosystem vulnerability?

• It always removes all fish

• It can introduce non-native species

• It makes water cleaner

• It increases plant growth

Which of the following best summarizes the main idea of the material?

• Ecosystems are strong and unchanging

• Human activities can make ecosystems vulnerable by introducing non-native species

• Only pollution affects ecosystems

• Invasive species are always beneficial

Which human activity is NOT mentioned as a cause of introducing non-native species?

• Shipping

• Fishing

• Pollution

• Gardening