The major ocean zones from the sunlit surface to the deep abyss, and the ecosystems and conditions found in each, one zone or concept per card.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the name of the uppermost ocean zone, where sunlight is abundant and most marine life is found?
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The epipelagic (sunlight) zone- What is the approximate depth range of the sunlight zone, where photosynthesis can occur?
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From the surface to about 660 feet (200 meters)- What is the name of the ocean zone just below the sunlight zone, where light dims but some still penetrates?
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The mesopelagic (twilight) zone- What is the approximate depth range of the twilight zone?
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About 660 to 3,300 feet (200 to 1,000 meters)- What is the name of the ocean zone below the twilight zone, where no sunlight penetrates at all?
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The bathypelagic (midnight) zone- What is the approximate depth range of the midnight zone?
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About 3,300 to 13,000 feet (1,000 to 4,000 meters)- What is the name of the ocean zone found near the deep seafloor, just above the ocean's lowest trenches?
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The abyssopelagic (abyssal) zone- What is the name of the deepest ocean zone, found within deep ocean trenches?
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The hadalpelagic (hadal) zone- What term describes marine organisms that produce their own light through a chemical reaction, common in deep ocean zones?
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Bioluminescence- What term describes the layer of the ocean where most photosynthetic marine plants and algae can survive?
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The photic (sunlight) zone- What ocean zone is named for a Greek word meaning 'open sea,' referring to water away from the coast or ocean floor?
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The pelagic zone- What term describes marine organisms and habitats found on or near the ocean floor?
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The benthic zone- What is the name for the shallow ocean zone extending from the shoreline to the edge of the continental shelf?
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The neritic zone- What is the name for the zone of the beach that is submerged at high tide and exposed at low tide?
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The intertidal (littoral) zone- What term describes the ocean's open water, away from the coast and away from the seafloor?
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The pelagic zone
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