Artificial Eutrophication Quiz

Seagrass need these to grow. (more than one answer)

• sunlight

• nutrients

• water

• Algae

Select all types of pollution that can cause artificial eutrophication. (more than one answer)

• Pesticides

• Fertilizer

• Factory discharge

• Car exhaust

• Plastic

What is the consequence of an increase in bacteria in eutrophication?

What is the most common nutrient that gets into the water causing eutrophication?

• Nitrogen

• Oxygen

What is the definition of artificial eutrophication?

• When excess nutrients get into the water

• When ocean currents disrupt nutrient balance

What is the end result of artificial eutrophication?

• A destroyed ecosystem

• Balanced ecosystem

Which step directly leads to the lack of seagrass in an ecosystem affected by eutrophication?

• Rapid algae growth blocks sunlight

• Fish die due to oxygen depletion

Why does seaweed float in water?

• it has roots

• it has no roots

What are benefits of seagrass?

• habitat

• pollution

Bacteria eat dead algae

• True

• False