Mesopelagic Zone
Known as the "twilight zone" 200-1,000m
Hadopelagic Zone
Known as the "trenches" 6,000-11,000m
Abyssopelagic Zone
Known as the "abyss" 4,000-6,000m
Bathypelagic Zone
Known as the "midnight zone" 1,000-4,000m
Epipelagic Zone
Known as the "sunlight zone" 0 - 200m
intertidal zone
the area between the high tide and the low tide mark
benthos
organisms that live on or in the bottom
continental shelf
the gently sloping shallow seabed surrounding a continent
epifauna
benthic animals that live on the seafloor
oceanic zone
the entire water portion of the ocean
neritic zone
the water area between the low tide mark and the edge of the continental shelf
oceanic zone
the open water area beyond the continental shelf
epiflora
benthic plants that live on the seafloor
abyssal zone
a division of the benthic zone, the ocean bottom in deep water
benthic zone
the entire bottom portion of the ocean
Bioluminescent
Animals that can use their bodies to make light are called _______________
increases
As oceans become deeper, the water pressure _______
Epipelagic
The Sunlight Zone is also known as the ____ Zone.
Midnight
The Bathypelagic Zone is also known as the _____ Zone.
Photosynthesis
Sunlight allows __________ to occur in the sunlight zone.
Light
The ocean layers are divided by the amount of _________ in each layer.
aphotic and photic
What are the two zones that distinguish between photosynthesis and chemo-synthesis?
Sunlight
Which layer do most animals live in?
Pelagic life
Trenches
What is the deepest part of the ocean basin?
Abyssal Plain
The flattest area of the ocean is known as the _______.
aphotic zone
the ocean's dark lower layer where photosynthesis cannot occur
5
There are _____ oceans in the world
mid-ocean ridges
What are underwater mountain ranges called?
attach to the rock with a headfast
low profile shells
finding shelter in crevices
Adaptations that help intertidal organisms withstand mechanical wave stress include
moisture
temperature
salinity
Species living in the Intertidal Zone must be able to survive which changes?
Temperature
Besides fluctuations in salinity and water levels, intertidal organisms must also withstand wide variations in
Space
Competition for which resource is a dominant factor in the rocky intertidal zone?
Intertidal zone
Neritic zone
Oceanic zone
Benthic zone
False
TRUE OR FALSE Distance from shore doesn't influence how many organisms live in the water
Photic Zone. Aphotic Zone. Intertidal Zone.
The Zones based on Depth of Water are
True
TRUE OR FALSE. In the ocean, the depth of water determines whether photosynthesis is possible or not.
neritic zone and intertidal zone
Which are the two horizontal zones in the ocean?
Intertidal zone
Which zone has harsh pounding waves?
Hadal zone
Which zone has the highest pressure and coldest temperature?
Intertidal zone
In which zone would creatures need to be able to live in and out of water?
Mesopelagic
What is the name of the middle open ocean?
Bathyal, Abyssal, Hadal
The correct order of ocean zones in the aphotic zone, is
F
Mesopelagic zone
The dim light in this disphotic zone has earned it the nickname the "Twilight" zone.
Biomass
The total mass of organisms in a specific area.
red and yellow
What colors are absorbed first?
 blue and green
These colors penetrate the furthest.
1,000 m
How far can light penetrate?
epipelagic zone
The zone where photosynthesis can occur