Ocean Ecosystems Quiz

What is the primary source of energy for marine ecosystems?

• Geothermal vents

• The sun

• Decomposing organisms

• Saltwater

Which of the following is NOT a characteristic of coral reefs?

• They are found in deep ocean waters.

• They support a diverse range of marine life.

• They are made up of coral polyps.

• They act as natural barriers against storm surges.

What role do phytoplankton play in the ocean food chain?

• They are primary consumers.

• They are secondary consumers.

• They are primary producers.

• They are decomposers.

Which deep sea creature is known for its ability to withstand extreme pressure and darkness?

• Clownfish

• Sea turtle

• Anglerfish

• Dolphin

What type of habitat is characterized by the interface between land and sea?

• Desert

• Mountain

• Coastal

• Forest

Which of the following is a major cause of marine pollution?

• Solar energy

• Plastic waste

• Photosynthesis

• Natural ocean currents

What is an ecosystem?

• A single species living in its natural habitat.

• A community of organisms and their physical environment interacting together.

• A collection of water bodies.

• A type of marine animal.

Which organism is at the top of the ocean food chain?

• Krill

• Shark

• Seaweed

• Coral

What is the main function of mangroves in coastal habitats?

• To provide habitat for deep sea creatures

• To act as breeding grounds for fish

• To filter pollutants from the water

• All of the above

Which of the following is NOT true about the deep sea environment?

• It is completely dark.

• It has a high temperature.

• It is home to unique life forms.

• It has high pressure.