Item 5 in portfolio: Go to the Web site and take the multiple choice quizzes in Chapter 6 Sedimentary Rocks, after reading the chapter. Take the end of chapter quiz in the book and look up the answers. Note your score and date taken for each.

Item (page) 6 in portfolio (keep on one page): Go to Germany and visit the Jurassic Reef Park website <http://www.palaeo.de/edu/JRP/> . Click on "Welcome to Jurassic Reef Park." Then click "Introduction". A modern reef is described.
Q1. What does the author mean by "superorganism" and how does this apply to reefs?
Return and go to "Architects of Reefs".
Q2. What two corals are shown that are important reef builders? Q. What important role do algae play in helping coral grow as fast as 25 cm. per year?

Go to Chapter III. This is an entertaining comparison between real estate advertisements that might have run 150 million years ago and characteristics of building sites for reefs in the Jurassic period.
Q3. How do the offers1 and 4 differ from one another? Note some of the photos of Jurassic fossils.
Continue to the next chapter that shows photos of fossils and interpretations on their environment.
Q4. How do the interpretation of figures 38 and 39 differ from one another. For sponge reefs, compare the interpretations of figures 46 and 47.

Go to chapter V, on the Jurassic period and how reefs were different then. There is a quiz.
Q5. Take the quiz and give your results.
Near the end of the chapter is a map of the continents at the time showing Jurassic reefs.
Q6. How do we explain reefs at higher latitudes than present day reefs?

Go to the concluding chapter on what reefs tell us about the future of reefs and a changing climate. This interrelates the atmosphere, hydrosphere, biosphere, and solid earth system. Near the end of this chapter some of the consequences of deforestation, rising sea level and warming climate are given.
Q7. What effects do the rapid deforestation of South American tropical forests have on coral reefs and the climate?
 
 Item 7 for portfolio (keep on one page):
Grand Canyon. Go to: http://www.kaibab.org/geology/gc_layer.htm

Q1. What kinds of Paleozoic sedimentary rocks occur in the Grand Canyon (types of rocks, not names of formations?

Q2. What is the depositional environment of the Coconino sandstone? The Redwall Limestone?

Q3. What gives the Redwall Limestone its red color?