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lifezone
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a region that contains characteristic organisms that interact with one another and with their environment.
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terms list
lifezone
a region that contains characteristic organisms that interact with one another and with their environment.
intertidal zone
area located between high and low tide.
strandline
line of debris and seaweed that marks high tide.
Supratidal zone
area above the intertidal zone,up to dunes.
subtidal zone
area of heavy wave impact,& beyond.
neritic zone
region of water that lies above continental shelf
continental shelf
relatively shallow part of the sea floor that adjoins the continents.
photosynthesis
the process by which plants make food
oceanic zone
lifezone that extends beyond the neritic zone includes most of open ocean
photic zone
most subtible to life(light zone)
aphotic zone
vast dark area below photic zone(no light)
adaptation
any characteristic of an organismthat enables it to live sucessfully in its environment.
ocean basin
deepest part of the ocean floor
benthic zone
includes the entire ocean floor
benthos
organisms that inhabitat the benthic zone.
sandy beaches
composed of sand,loose sediment that can be shifted easily and moved by wind and water
zonation
pattern of marine life that forms distinct bands,or lifezones,along the shore.
surfzone
a region of crashing waves on a sandy beach
rocky coasts
shores made up of solid rocks
tide pools
when tide is low the spaces between the rocks hold small habitats
estuary
where freshwater drains from rivers into the ocean
brachish
mixture of freshwater and saltwater
barrier beaches
islands that have been made up of sediment carried by the ocean and deposited offshore.
wetlands
estuarys with grass growing in them
mudflat community
part of estuary with no grass and dark mud
mangrove communtiy
thick growth of mangrove trees in a marsh
biodiversity
great variety of life
camouflage
the ability to match or blend in with their background
color contrast
bold colors in a pattern
disruptive coloration
spots,bars,and stripes, used to break up the outline of a fish (common in coral reef fish)
territoriality
defending its home area
salt marsh community
wetlands; an estuary with grasses growing abundantly in shallow waters
coral reef
stony formation build up from the seafloor by colonial coral polyps.
pelagic zone
largest life zone in the ocean,entire ocean of water above sea bottom,includes the neritic and oceanic zones.
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