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Water, Water, Everywhere The Earth’s Oceans and Seas

Water, Water, Everywhere The Earth’s Oceans and Seas. Nick Guglielmi Earth Science 203. 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

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Water, Water, Everywhere The Earth’s Oceans and Seas

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  1. Water, Water, EverywhereThe Earth’s Oceans and Seas Nick Guglielmi Earth Science 203

  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 Antartica

  3. Coral Reefs • Form in shallow, warm seas • Made of coral polyps” skeletons • Grow on top of old skeletons • Spend adult lives fixed to same spot • Coral diseases increasing dramatically past 10 years • Responding to onset of bacteria, fungi, viruses

  4. Oceans Zones • Sunlit (down to 650 feet) • Sea plants and many animals • Twilight (down to 3,300 feet) • Many different fish • Sunless (down to 13,100 feet) • Animals feed on dead food from above

  5. Water, Water, EverywhereThe Earth’s Oceans and Seas

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