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Oceans

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by

Sonia Sanchez

on 29 January 2014

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Transcript of Oceans

Oceans
Abyssal Zone
The abyssal zone is the deep sea, where there is no light
The covers 300,000,000 square km
Benthic Zone
What is the Benthic Zone?
The Benthic Zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers
It's all the ocean that's not near the coast nor near the bottom of the sea.
Is the area between Land and the sea that is covered by water at a high tide and uncovered at the low tide.
by: Sonia S. & Ruby U.
Intertidal Zone
Pelagic Zone
It has four different subdivisions based on the amount of water exposure each gets.
Spray Zone
Lichen
Periwinkle snail
High Zone
Purple shoreline crab

Barnacles
Blue-Green Seaweed
Middle Zone
mussel bed
sea urchin
snails
sea stars
anemones
Low Zone
kelp
red algae
dungeness crab
anemones
Organisms:
Organisms that live in this layer are called benthos.
These animals can't survive in the other layers of water.
Majority of the animals are scavengers or detritus feeders (eat decomposing organic matter).
Fish hide/bury themselves in the bottom
Crustaceans
Bristleworm
Cnidarians
Molluscs
Echinoderms
Polychaetes
Video
** IGNORE crazy medieval 'you're gonna die music'
Organism:
Animals that live in this zone are 100% weird looking
The food is scare in this zone, so the animals have large gaps to injest any food
Anglerfish
Giant Squid
Black Swallower
**fun fact: black swallower can swallow prey 10 times it's mass & 4 its length
tripod fish
...Video...
Pacific Ocean
Pacific means "peaceful"
Got it's name from a Portuguese explorer Ferdinand Magellan in 1521
(Mar Pacifico)= peaceful sea
biggest ocean on earth
covers more than 30% of earth's surface
deepest ocean
Organisms:
Sea Otter
Yellow Eyed Rockfish
Reef Triggerfish
Pacific White sided dolphin
Passer Angelfish
Pacific Sea Nettle Jellyfish
Giant Kingfish
Silky Shark
Lagoon Triggerfish
...Video...
.... LAST VIDEO....
THE END
Pelagic Zone animals
Pelagic fish
Ocean Birds
Pelagic plants
phytoplankton
A microalgae fuelled by photosynthesis
parsons was here
Full transcript