Coral Reef Web Quest

This topic submitted by Glenn Terndrup ( at 9:29 PM on 7/21/03.

Astronomy at Western--Even Mel's snake " Louise" gets into it!

Tropical Field Courses -Western Program-Miami University

Coral Reef Web-Quest

I. Check out these images of coral reefs.
1. Watch the movies of Blastamusa, small bubble coral (670K) and pulsing Xenia.
2. List a structural trait they all have and a behavior they all share.
b. View these next two sites to get a feel for the structure of coral reefs and their inhabitants.

II. Coral overview.
a. Anatomy and feeding. Click on the link that says, "What are Corals?"
1. What does it mean that corals are colonial organisms?

2. How do corals feed?

3. Draw a coral polyp and label the mouth, tentacles, stomach, and nematocysts.
Click on the polyp diagram to get the labels.

4. Next to each label, state its' function.
5. What is the name of the hard substance that polyps secrete which is made of calcium carbonate and forms reefs? Hint - it forms the cuplike structure that holds the polyp.

Go to the bottom of the page and use the arrow to access the next page.

6. Describe the mutualistic relationship between zooxanthellae and corals

b. Reef formation. Click on the link that says, "How Do Coral Reefs Form?
1. Explain how coral reefs are formed.

2. What are the 3 kinds of reefs?
c. Location. Click on the link that says, "Where are Coral Reefs Found?"
1. What two latitudes are most corals located between?

2. List two reasons why corals require clear waters.
d. Importance of coral reefs. Click on the link that says "Importance of Coral Reefs"
1. In what way are coral reefs like tropical rain forests

2. List 4 benefits of coral reefs.

e. Natural threats. Click on the link that says "Natural Threats".
1. List 2 natural threats to coral reefs.

2. What is bleaching and what kinds of events cause it?

f. Anthropogenic threats. Click on the link that says "Anthropogenic Threats" and list three threats.

III. Getting involved -
a. List 3 things that you could do to help coral reefs.
b. Give one reason why coral reefs are important.

IV. Assessing your progress. -
a. Take the quiz using only your memory.

b. Write corrected statements for any questions you missed.

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