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Plankton

Plankton. Small, microscopic algae or animals that float in the water. They can’t move on their own – rely on the current to carry them. Food for many organisms. #1 PRODUCER. Nekton. Any free swimming (doesn’t rely on the current to move) animal in the Ocean. Benthos.

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Plankton

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  1. Plankton • Small, microscopic algae or animals that float in the water. • They can’t move on their own – rely on the current to carry them. • Food for many organisms. • #1 PRODUCER

  2. Nekton • Any free swimming (doesn’t rely on the current to move) animal in the Ocean.

  3. Benthos • Organisms that live on the ocean floor.

  4. Food Web • Feeding relationships in a habitat.

  5. Intertidal Zone • Part of the beach that stretches from highest high tide to lowest low tide.

  6. Estuary • Where a river empties into the ocean. • Mixture of fresh water and salt water. • Important breeding ground – the “nursery”

  7. Brackish Water • Describes water that is a mixture of salt water and fresh water. • Found in estuaries

  8. Turbidity • How cloudy or dirty water appears • Cloudy water- test with turbidity tube.

  9. Sonar • Uses sound waves to calculate the distance to an object.

  10. Upwelling and Downwelling • Cycling of nutrients from the cold bottom of the ocean to the warm top. Fish loves this area.

  11. Continental Shelf • Extension out of continents edge, gently sloping shallow area.

  12. Continental Slope • The Ocean Floor drops off at a steep incline. • Intertidal Continental shelf Continental Slope

  13. Abyssal Plain • Smooth and Flat area of the Ocean Floor.

  14. Deep Ocean Trenches • Cut into the abyssal plain • This is where subduction takes place and volcanoes and hot spots form.

  15. Mid Ocean Ridge • When the sea floor spreads apart, and lava rises to form new mountains.

  16. Seamounts • Mountains that are underwater in the ocean • This is where upwelling occurs (fish love it here)

  17. Submersible • Underwater vehicle built to see ocean floor and resist high water pressure. • ROVs (Remotely Operated Vehicle) are submarines that are not manned (do not have humans in them)

  18. Currents • Warm water comes from the Equator and cold water comes from poles. • Gulf Stream is near us (warm)

  19. Rip Current • Water breaks through the sandbar, and causes sand to disappear out from under you.

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