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