The document discusses the major bodies of water on Earth including the four oceans - Pacific, Atlantic, Indian, and Arctic. It notes that the Pacific Ocean is the largest and deepest. It also mentions coral reefs, how they form in warm shallow seas, and are made of coral polyp skeletons. Finally, it outlines the three ocean zones from sunlit down to the sunless zone.
2. Major Bodies of Water Four oceans: Pacific, Atlantic, Indian, and Arctic Pacific is largest and deepest 64,186,300 square miles 12,925 feet average depth Fifth ocean delimited in 2000 Southern Ocean north of Antarctica
3. Coral Reefs Form in swallow, warm seas Made of coral polyp’s skeletons Grow on top of old skeleton Spend adult lives fixed to same spot Coral diseases increasing dramatically past 10 years Responding to onset of bacteria, fungi, viruses
4. Ocean Zones Sunlit (down to 650 feet) sea plants and many animals Twilight (down to 3,300 feet) many different fish Sunless (down 13,100 feet) animals feed on dead food from above
