Ocean zones
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Ocean Zones. Three Zones. The ocean has three different zones based on light. Knowing what you already know about the ocean, what would you name each zone? 1. 2. 3. Sunlit Zone (Euphotic Zone). The top zone is the eupthoic or Sunlit Zone

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Ocean Zones

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Ocean zones

Ocean Zones


Three zones

Three Zones

  • The ocean has three different zones based on light. Knowing what you already know about the ocean, what would you name each zone?

  • 1.

  • 2.

  • 3.


Sunlit zone euphotic zone

Sunlit Zone(Euphotic Zone)

  • The top zone is the eupthoic or Sunlit Zone

  • This zone gets sunlight and photosynthesis can occur.

  • Plants can grow here

  • Phytoplankton, zooplankton, and plants are found here

  • It goes down about 660 feet


Animals found in the sunlit zone

Animals Found in the Sunlit Zone

  • Sharks and rays, jellyfish, sea turtles, seals, coral, and zooplankton


Twilight zone dysphotic zone

Twilight Zone(Dysphotic Zone)

  • Some sunlight reaches this zone, but not enough for photosynthesis to occur

  • Goes down about 3,300 feet

  • There is an increase in water pressure and the water is dark

  • No plants are found in this zone


Animals found in the twilight zone

Animals found in the Twilight Zone

  • Octopus, squid,the hatchet fish deep sea anglerfish, and the viperfish

  • These animals must be able to survive cold temperatures.


Midnight zone aphotic zone

Midnight Zone(Aphotic Zone)

  • No sunlight reaches this zone

  • Depths of close to 20,000 feet

  • Very cold and completely dark

  • Water pressure can be as much as two tons per square inch

  • Fewer organisms than the other zones

  • No plants in this zone


Animals found in the midnight zone

Animals found in the Midnight Zone

  • Angler fish, tripod fish, sea cucumber, snipe eel, opposomshrimp, black swallower, and vampire squid

  • Some animals don’t have eyes


Want to learn more

Want to learn more??

  • Read more about the different zones on BrainPop Jr.

  • BrainPop Jr.


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