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Zones of the Ocean.

Published byRichard Dawson Modified over 10 years ago

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Presentation on theme: "Zones of the Ocean."— Presentation transcript:

1 Zones of the Ocean

2 INTERTIDAL ZONE

3 INTERTIDAL ZONE INTERTIDAL ZONE NERITIC ZONE NERITIC ZONE

4 OCEANIC ZONE INTERTIDAL ZONE NERITIC ZONE

5 OCEANIC ZONE INTERTIDAL ZONE NERITIC ZONE BENTHIC ZONE

6

7 INTERTIDAL ZONE – from high tide line to low tide line
Pounding waves Changes in temperature Changes in salinity Underwater & exposed to air Aerial predators Little food

8 NERITIC ZONE – low tide line to continental slope
More life than any other zone Major fishing grounds Sunlight Nutrients from land and benthic zone (floor)

9 NERITIC ZONE SUNLIGHT & NUTRIENTS: Allows phytoplankton to grow
Supports large number of zooplankton Plankton is the basis of Ocean Food Webs

10 OCEANIC ZONE – from continental slope to continental slope
Less sunlight & nutrients than Neritic Zone Supports fewer organisms Organisms are very different because of changes in water (Water Column)

11 BENTHIC ZONE – the ocean floor
Deepest parts get no sunlight & is very cold Many organisms get food from material that sinks down from above Some organisms get energy from chemicals (chemosynthesis) that come from Hydrothermal vents.

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