Exploring Aquatics Article with Questions

What percentage of Earth's surface is covered by marine environments?

• 50%

• 60%

• 70%

• 80%

Which zone is known as the photic zone?

• Epipelagic zone

• Mesopelagic zone

• Bathypelagic zone

• Abyssopelagic zone

What is a characteristic of the mesopelagic zone?

• Receives no light

• Home to bioluminescent organisms

• Ideal for photosynthetic organisms

• Completely dark

Which organisms are adapted to life without sunlight?

• Phytoplankton

• Jellyfish

• Anglerfish

• Fish species

What is a significant threat to marine ecosystems mentioned in the passage?

• Overfishing

• Ocean acidification

• Pollution

• Climate change

How does ocean acidification affect marine life?

• Increases biodiversity

• Disrupts organisms with calcium carbonate shells

• Improves water quality

• Enhances photosynthesis

Why is understanding ocean layers important for conservation?

• To increase fishing activities

• To promote tourism

• To conserve aquatic biodiversity

• To build underwater structures