Coral Reefs

What is a coral reef?

• An underwater ecosystem that supports marine life 
• A diverse landwater ecosystem
• A group of rocks
• An ecosystem made of fish

How are coral reefs distributed?

• In my aquarium 
• Everywhere under water
• Generally within the 30ºN and 30ºS latitudes
• Mainly around the northern hemisphere

At what depths are coral reefs usually found? 

• More than 1000 - 1500ft
•  Less than 150 - 450ft
• Around 10500ft 

Do coral reefs need sunlight to grow?

• YES
• NO

What conditions are required for the development of coral reefs?

• Sunlight & Salt water only
• Warm water (20º^c to 28º^c) only
• Clear & clean water only
• All of the above

How many different types of coral reefs are there? 

• 10
• 4
• 12
• 3

What ARE the different types of coral reefs?

• Fringing, Barrier, Atoll
• Blue, Green, Red
• Menhaden, Northern Sprout, Southern Puff
• North, South, Central

What is the largest coral reef?

• Hikkaduwa Reef
• Great Barrier Reef
• Rainbow Reef
• Raja Ampat

What is a fringing reef? 

• A reef that is inside a lagoon
• A reef in the middle of ocean
• A reef that is far away from shore
• A reef that is separated by shallow lagoons (close to the coastline)

What is a barrier reef?

• A reef that is close to shore
• A reef separated by wider/deeper lagoons (close and parallel from the )
• A reef that is in the middle of land
• A reef that is far away from the sea