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35 Cards in this Set
- Front
- Back
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Refers to an animal who’s body temperature adjusts depending on the external environment |
Poikilothermic |
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Hard plate the covers the gills of bony fish |
Operculum |
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Term for an animal that gains heat through the environment |
Ectotherm |
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Term for organisms in which the babies develop from an egg inside the mother and are later born |
Ovoviviparity |
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Fish are members of this subphylum |
Vertebrata |
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Body shape of a shark; designed to reduce water resistance |
Fusiform |
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Body shape of fish; allows them to move rapidly in the water |
Streamlines |
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Receptor organs which make up the lateral line system |
Neuromasts |
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Freshwater fish produce large amounts of this type of urine to overcome the large amounts of water that enter their body through osmosis |
Dilute |
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Colorful, venomous fish species that has invaded the Atlantic |
Lion fish |
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Modified pelvic fins on male cartilaginous fish |
Claspers |
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Marine fish are this type of regulator because their tissues are less salty than their surroundings |
Aypouosmotic |
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This term refers to fish that spend their adult lives at sea but return to freshwater to spawn |
Anadromous |
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Bony fish use this gas-filled organ for buoyancy |
Swim bladder |
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Organ in sharks used to remove excess sodium and chloride ions from the body |
Rectalgland |
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Coloration of fish in which the dorsal surface is dark and ventral surface is light |
Countersnades |
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Another term for neckton; Refers to animals that spend their time swimming through ocean waters |
Pelagic |
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Sharks have this type of scale |
Placoid |
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System of jelly filled canals that allows fish to sense vibrations in water |
Lateral line |
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Name for the group of jawed vertebrates |
Gnathostomata |
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Like leeches, lampreys secrete this into their hosts to promote blood flow and help prevent blood clotting |
Anticoagulant |
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Time period known as the age of fishes |
Devonian |
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The largest species of ray |
Manta |
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Substance produced by hagfish from special Glands that line the body |
Slime |
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Cartilaginous fish store these in their liver to aid in buoyancy |
Lipids |
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Name of superclass containing all jawless fish |
Agnatha |
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A group of extinct armored fish |
Placoderms |
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Smooth, circular scales often found on bony fish |
Cycloid |
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Parasitic fish that has devastated many Great Lake fisheries |
Sea-lampreys |
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The egg laying behavior of fish |
Spawning |
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Refers to bottom dwelling animals that spend their time at the bottom surface of the ocean |
Benthic |
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Fish have a heart with this many chambers |
Two |
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Term for organisms in which the babies are born alive from their mother |
Viviparous |
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Term for organisms in which the babies are born alive from their mother |
Viviparous |
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Openings behind the eyes of rays used to bring in water for respiration |
Spiracles |
