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55 Cards in this Set

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Why are gills efficient?
Because of their large surface area
How do sponges release waste?
Directly into sea water
In the deepest level of the sea what is the primary group of living organisms in terms of consumption?
Chemautotrophs
What phylum are crustations from?
Phylum Crustacea
What class are "true jellies" from?
Class Scyphozoa
Lobsters, Shrimps, and Crabs are from the class__
Malacostraca
Snails and Nudibranches are from the class___
Gastropoda
Clams and scallops are from the class___
Bivalvia
Octopi and Nautili are from the class
Cephlopoda
Urchins and Sand Dollars all belong to the class___
Echinodea
Sea Stars, Sea Urchins, Brittle Stars, Sea Lillies and sea cucumbers are all from the phylum____
Echinodermata
Sea Stars come from the class
Asteroidea
Cartaliginous fish come from the Class
Chondrichthyes
How many species of Cartilaginous fish exist
about 600
Bony fish belong to the class___
Osteicthyes
How does a shark differ from a Tuna
A shark has a cartilaginous skeleton whereas a tuna has a bony skeleton
What are mollusk shells made of
Calcium Carbonate
What is the shallow top layer of the ocean called
The photic zone
Where can photosynthesis occur in the ocean?
The photic zone
What is the 2nd highest ocean layer
the aphotic zone
What lives in the aphotic zone and what do they consume?
Heterotrophs that consume organisms produced in the photic zone
What is the shore area between the high tide and the low tide called?
The intertidal zone
What are the main organisms that inhabit the intertidal zone?
Barnacles mussels, sponges, clams, alge, and worms
What is the shallow water over the continental shelf called
The neritic zone
What is the area past the continental shelf (opean ocean) called?
the Oceanic zone
What is open water not ascociated with the sea floor called?
Pelagic Zone
What is the sea floor called?
The benthis zone
What is the area of the benthic zone where light does not hit
The abyssal zone
What wavelengths or sound are most audible in water?
Short wavelengths
What frequencies to whales communicate at?
20 Hz
How do altimeters work?
Transmits signials to earth and receive echoes from the sea surface
Where are coral reefs found?
Warm, clear, shallow, tropical waters
What is the order of Coral?
Scleractinia
What is the class of Coral?
Anthozoa
What is the phylum of Coral?
Cnidaria
How are reefs formed?
By calcium carbonate produced by polyps
What do polyps feed on?
small particles floating in the water
How do corals reproduce?
Sexually and asexually
Agulhas Current
A warm ocean current flowing S along the SE coast of Africa
Alaska Current
an ocean current flowing counterclockwise in the Gulf of Alaska
Aleutian Current
A current in the Pacific Ocean that flows eastward between latitudes 40 degrees and 50 degrees N
Subarctic Current
A current in the Pacific Ocean that flows eastward between latitudes 40 degrees and 50 degrees N
Antactic Circumpolar Current
An ocean current flowing from west to east around antarctica
West Wind Drift
An ocean current flowing from west to east around antarctica
Antilles Current
A warm ocean current flowing NW along the N coast of the Greater Antilles and joining the Florida current off the SW coast of Florida
Bank
A broad elevation of the sea floor around which water is relativly shallow
Bathometer
a device for ascertaining the depth of water
Bathyal
of or pertaining to the biogeographic region of the ocean bottom between the sublittoral and abyssal zones
Aphotic zone
the part of the ocean in which light is insufficient to carry on photosynthesis
Bathymetry
measurment of depth of large bodies of water
measurment of the depth of large bodies of water
Bathymetry
Benthic
of the seafloor, or pertaining to organisms living on or in the seafloor
of the seafloor, or pertaining to organisms living on or in the seafloor
Benthic
Blade
flat, photosynthetic "leafy" portion of an alga or seaweed
What is compensation depth
the depth at which there is a balance between the oxygen produced by algae through photosynthesis and consumed by respiration