coral reefs
earle takes children on an undersea journey to explore an amazing underwater city . she explains the formation of coral reefs and provides information about the conditions needed for survival . in addition the author introduces other animals that live in and near the reef and stresses the importance of protecting corals from pollution . matthewss ink and gouache paintings bring the colors and variety of this habitat to life . the book also includes a simple experiment that demonstrates how filter feeders strain food from the water .