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Ocean Depth and Life Zones

The document describes different zones of the ocean based on depth and light penetration. It divides the oceans into the epipelagic zone (0-200m), mesopelagic zone (200-1000m), bathypelagic zone (1000-2000m), abyssal zone (2000-6000m), and hadal zone (6000m+). It also discusses intertidal, neritic, pelagic, and benthic zones. Light penetration divides the oceans into the photic zone (0-200m), twilight zone (200-2000m), and aphotic zone (2000m+). The epipelagic zone supports the most diversity due to sunlight, while the abyss

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284 views1 page

Ocean Depth and Life Zones

The document describes different zones of the ocean based on depth and light penetration. It divides the oceans into the epipelagic zone (0-200m), mesopelagic zone (200-1000m), bathypelagic zone (1000-2000m), abyssal zone (2000-6000m), and hadal zone (6000m+). It also discusses intertidal, neritic, pelagic, and benthic zones. Light penetration divides the oceans into the photic zone (0-200m), twilight zone (200-2000m), and aphotic zone (2000m+). The epipelagic zone supports the most diversity due to sunlight, while the abyss

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api-633889563
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© © All Rights Reserved
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Ocean Zones

Ocean Depth Zones Other Ocean Zones Light Penetration Zones

Epipelagic Zone (0-200m) Intertidal Zone - water closest Photic Zone (0-200m) -
Mesopelagic Zone (200-1000m) to the shore (Epipelagic) the most sunlit
Bathypelagic Zone (1000-2000m) Neritic Zone - water closest to ocean zone; all colors are
still visible
Abyssal Zone (2000-6000m) the surface; rich in nutrients
Twilight Zone (200-2000m) -
Hadal Zone (6000m+) Pelagic Zone - open ocean (Mesopelagic/Bathypelagic)
Benthic Zone - the ocean floor dimly sunlit; some colors are
from the shore to the abyssal still visible
plains Aphotic Zone (2000m+) -
(Abyssal/Hadal) no sunlight;
colors are no longer visible

Creatures

Epipelagic Mesopelagic & Bathypelagic Abyssal & Hadal

The epipelagic zone is The mesopelagic and The abyssal and hadal ocean zones
the most sunlit, which bathypelagic ocean zones still have little to no sunlight, meaning
allows it to have the have some sunlight, so there is that organisms must obtain nutrients
most nutrients for a still some nutrients from via chemosynthesis or from sediments
vast diversity of photosynthetic organisms. Some which have settled on the ocean
marine creatures like examples of creatures from floor. Some examples of creatures
sea turtles, dolphins, these zones are a variety of that live in these zones are
whales, a large variety squids, crustaceans, jellyfish, tubeworms, decapods, and a variety of
of fish, etc. swordfish, etc. other deep-sea fish and organisms.

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