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Open Ocean Ecosystems (Benthic Zone (*Area along the ocean floor that…
Open Ocean Ecosystems
Pelagic Zone
Photic Zone
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Animals: fish, sea turtles, jellyfish, whales, and dolphins.
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Aphotic Zone
- An area where sunlight is unable to penetrate.
- Constantly dark and cold, but there is thermal layering
with mixing of warm and cold ocean currents.
Benthic Zone
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*As depth increases, light and temperature decreases
*Species diversity tends to decrease with depth, except in areas with hydrothermal vents
*Mostly species of fish, octopuses and squids that live in the Benthic Zone
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