I WONDER - Is A Coral Reef An Ecosystem? Me Pregunto - Es Un Arrecife De Coral Un Ecosistema?

What are coral reefs primarily composed of?

• Seaweed

• Sand

• Living creatures

• Dead rocks

Which of the following organisms do NOT typically use coral reefs as their home?

• Elephants

• Crabs

• Starfish

• Sponges

What is the primary role of coral reefs in the ocean ecosystem?

• They filter ocean water

• They produce oxygen

• They serve as habitats for marine life

• They regulate ocean temperature

What is a significant threat to coral reefs?

• Tourism

• Overfishing

• Climate change

• Pollution

Which coral reef is known as the oldest system in the world?

• Red Sea Reef

• Caribbean Reef

• Hawaiian Reef

• Great Barrier Reef