Ocean habita powerpoint


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Ocean habita powerpoint

  1. 1. Mindi Helmandollar http://www.treehugger.com/ocean-turtle.jpg http://secure.greenpeace.org/visitor/?event_id=main&action=profile&participant_id=298106061199600745 The World's Oceans
  2. 2. <ul><li>Scientists estimate that 230,000 marine life forms of all types are currently known, but the total could be up to 10 times that number </li></ul><ul><li>Life within the ocean evolved 3 billion years prior to life on land </li></ul><ul><li>The deepest point in the ocean is the Mariana Trench, located in the Pacific Ocean near the Northern Mariana Islands. </li></ul><ul><ul><li>Its maximum depth has been estimated to be 35,994 ft </li></ul></ul><ul><ul><li>Source: http://en.wikipedia.org/wiki/Ocean </li></ul></ul>Did You Know??
  3. 3. <ul><li>Pacific Ocean </li></ul><ul><ul><li>Separates Asia and Australia from the Americas </li></ul></ul><ul><li>Atlantic Ocean </li></ul><ul><ul><li>Separates the Americas from Eurasia and Africa </li></ul></ul><ul><li>Indian Ocean </li></ul><ul><ul><li>Washes upon southern Asia and separates Africa and Australia </li></ul></ul><ul><li>Arctic Ocean </li></ul><ul><ul><li>Sometimes considered a sea of the Atlantic, which covers much of the Arctic and washes upon northern North America and Eurasia </li></ul></ul><ul><li>Sources: http://en.wikipedia.org/wiki/Ocean </li></ul><ul><ul><li>Shark picture on the left: http://blog.ub.com/wp-content/uploads/2008/11/shark-seal.jpg </li></ul></ul><ul><ul><li>Shark picture on the right: consilience.typepad.com/photos/uncategorized/great20white20shark202.jpg </li></ul></ul>The Oceans
  4. 4. http://www.seafriends.org.nz/oceano/plnktn06.gif Spongebob: grantt.trigcola.com Plankton: unitedspongebob.com Ocean’s Food Chain
  5. 5. http://library.thinkquest.org/04oct/01590/intro/ocean.jpg Ocean Zones
  6. 6. <ul><li>Scientifically called the epipelagic </li></ul><ul><ul><li>It is the shallowest and thinnest level </li></ul></ul><ul><li>It extends from the surface down to about 100-150m. It is lit by sunlight </li></ul><ul><ul><li>This allows plant growth (all the deeper layers are too dark for this) </li></ul></ul><ul><li>Plants, plankton, and small fish live here </li></ul><ul><li>Source: http://www.fathom.com/course/10701050/session2.html </li></ul>The Euphotic Zone 500 Feet
  7. 7. <ul><li>Scientifically called the mesopelagic </li></ul><ul><li>Called the twilight zone </li></ul><ul><ul><li>Part of it is light during the day </li></ul></ul><ul><ul><li>Lower boundary at about 1,000m is perpetually dark </li></ul></ul><ul><li>Many of the animals produce their own light </li></ul><ul><ul><li>Known as bioluminescence (living light) </li></ul></ul><ul><ul><ul><li>They use it as camouflage or to find, or attract, potential food or mates </li></ul></ul></ul><ul><li>Sharks and other streamlined fish are able to swim to these depths to hunt </li></ul><ul><li>Animals in this zone survive by eating each other and scavenging dead animals </li></ul><ul><li>Hammerhead shark, giant squid, gulper eel, crustacean, luminous prawn, and lantern fish are all animals in this zone </li></ul><ul><li>Source: http://library.thinkquest.org/6234/newpage1.htm      </li></ul>The Mesopelagic Zone 500 to 3,000 Feet
  8. 8. <ul><li>Receives no sunlight at all </li></ul><ul><li>Food is scarce at this depth </li></ul><ul><li>The fish of this zone have weak, soft bodies </li></ul><ul><li>Some animals in this zone are the Hatchetfish, Deep-sea Anglerfish, Oarfish, Squid, Viperfish and Sperm Whales </li></ul><ul><li>Source: http://library.thinkquest.org/6234/newpage1.htm </li></ul><ul><ul><li>Picture: http://www.cryptomundo.com/wp-content/ap_squid_061222.jpg </li></ul></ul>The Bathypelagic Zone 3,300 to 10,000 Feet
  9. 9. THE ABYSSAL ZONE 10,000 TO 36,000 FEET <ul><li>Also receives no sunlight </li></ul><ul><li>Food is scarce </li></ul><ul><li>Animals include anglerfish, deep-sea jellyfish, venus’s flower baskets, brittle stars, and rat tails </li></ul><ul><li>Source: http://library.thinkquest.org/6234/newpage1.htm </li></ul>
  10. 10. <ul><li>What has no beginning, end or middle and touches every continent? </li></ul><ul><ul><li>The Ocean </li></ul></ul><ul><li>What fish is the most valuable? </li></ul><ul><ul><li>The goldfish </li></ul></ul><ul><li>What sea animal can be adjusted to play music? </li></ul><ul><ul><li>The tune-a fish! </li></ul></ul><ul><li>Why is it so easy to weigh fish? </li></ul><ul><ul><li>Because they have their own scales </li></ul></ul>Fun Riddles http://www.theoceanadventure.com/Kids%20Page/jokes.html