Oceanography 102, R. Strickland
Extra Credit: Coral Reef Imax	
Name __________________________ Section _____	
Please read over this assignment before seeing the film so that you know what to watch for, I encourage you to sit back and enjoy the film rather than trying to write answers to these questions in the dark. Then answer the questions in your own words after the film.
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1.5 pts	1. Describe the main animals that form the coral reefs and how they form them. Be sure to describe the shape and size of the animals, what material they deposit, and how the structure of the reef is created.

	
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2.0 pts	2. List four important values of coral reefs for humans and for marine ecology.

	
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1.5 pts	3. Describe three examples of cooperative relationships among reef animals.

	
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1.0 pts	4. What is the most important cooperative relationship between corals and another kind of organism? How does this relationship benefit the coral?

	
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1.0 pts	5. What does terrestrial logging do that can affect coral reefs? How do the corals feel these effects?

	
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1.0 pts	6. What are two ways that coral reefs benefit from mangroves growing on the shore?

	
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1.0 pts	7. What happens to coral reefs when the water gets too warm, and why is that a problem? How does this change the appearance of the corals?

	
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1.0 pts	8. Describe the sequence of changes in islands that account for the three types of reefs: fringing (reefs close to shore), barrier (reef offshore), and atoll (a coral ring with a lagoon in the center).