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Coral Reef Web-Quest
I. Review short movies of coral reefs at this link A. Watch a variety of the movies.
Make sure you watch Blastamusa, small bubble coral (670K) and pulsing
Xenia.
B. List a structural trait they all have and a behavior they all share. structural __________________________________________________________________________ behavior___________________________________________________________________________ II Review these next two sites to get a feel for the structure
of coral
reefs and their inhabitants. A. Link
1 Review 8 to 10 videos. (You can speed them up by clicking
on the forward button.) III. Coral overview.
Click here.
Anatomy and feeding: click on the link that says, "What are Corals?" A. What does it mean that corals
are colonial organisms?
__________________________________________________________________________________ B. How do corals feed? __________________________________________________________________________________ IV. Drawing. Click here. A. Draw a coral polyp and label
the mouth, tentacles, stomach, and nematocysts. (Click on the polyp
diagram to get the labels.) Next to each label, state its' function.
_________________________________________________________________________________ V. 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. _________________________________________________________________________________ VI. Describe the
mutualistic
relationship between zooxanthellae
and corals. _________________________________________________________________________________ VII. Reef formation.
Click here
to read how coral reefs form.
"http://oceanservice.noaa.gov/education/kits/corals/coral04_reefs.html?
A. Explain how coral reefs are
formed.
_________________________________________________________________________________ _________________________________________________________________________________ B. What are the 3 kinds of reefs? 1.________________________________________________________________________________ 2.________________________________________________________________________________ 3.________________________________________________________________________________ VIII. Location. Click here
to read where coral reefs are found. 1. What two latitudes are most
corals located between?
_________________________________________________________________________________ 2. List two reasons why corals require clear waters. _________________________________________________________________________________ IX. Importance of
coral reefs. Click here
to read about the importance of coral reefs. A. In what way are coral reefs
like tropical rain forests
_________________________________________________________________________________ B. List 4 benefits of coral reefs. 1.________________________________________________________________________________ 2.________________________________________________________________________________ 3.________________________________________________________________________________ 4.________________________________________________________________________________ X. Natural threats. Click here to read about natural threats. A. List 2 natural threats to
coral reefs.
1.________________________________________________________________________________ 2.________________________________________________________________________________ B. What is bleaching and what kinds of events cause it? _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ XI. Click here
to find out about anthropogenic threats to coral reefs. Click on the
link that says
"Anthropogenic Threats" and list three threats. 1.
_______________________________________________________________________________
2. _______________________________________________________________________________ 3. _______________________________________________________________________________ XII. Getting
involved A. List 3 things that you could
do to help coral reefs.
1.________________________________________________________________________________ 2.________________________________________________________________________________ 3.________________________________________________________________________________ B. Give three reasons why coral reefs are important. 1.________________________________________________________________________________ 2.________________________________________________________________________________ 3.________________________________________________________________________________ XII. Assessing your progress. A. Take the quiz using only
your memory. Record your score.
________________________________________________________________________________ B. Write corrected statements for any questions you missed. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ |