what are the defining characteristics of fish?
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['All Fish Are Cold-Blooded. All fish are cold-blooded, which is also called ectothermic. ... ', 'Water Habitat. Another shared characteristic amongst all fish is that they live in water. ... ', 'Gills to Breathe. ... ', 'Swim Bladders. ... ', 'Fins for Movement.']
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Bony fish are members of the class osteichthyes, and are defined by their calcified skeleton, hinged jaw, gill arches, gill filaments, and gill rakers. They also have an operculum for pumping water across the gills and swim bladders to control buoyancy, as well as mucous-lined scales.
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A bony fish, such as a salmon, or a cartilaginous fish, such as a shark, especially in contrast to a shellfish or other aquatic animal. "Finfish." YourDictionary. LoveToKnow. www.yourdictionary.com/Finfish.
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All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, adaptation, growth and development, homeostasis, energy processing, and evolution. When viewed together, these characteristics serve to define life.
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1: Defining characteristics of chordates: In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
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['They have a star-like appearance and are spherical or elongated.', 'They are exclusively marine animals.', 'The organisms are spiny-skinned.', 'They exhibit organ level of organization.', 'They are triploblastic and have a coelomic cavity.', 'The skeleton is made up of calcium carbonate.']
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a fish must have gills, fins and a vertebra. starfish is included in the criteria of a jellyfish and jellyfish lacks these characteristics, silverfish is included in the catagery of jelly fish. Explanation: A silver fish is actually not a fish it is a wingless insect.
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['Water Quality: Fish need water quality to survive, grow, and reproduce. ... ', 'Fish Structure: ... ', 'Fertilization: ... ', 'Liming. ... ', 'Aquatic Vegetation:']
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Birds are animals that possess wings and are able to fly. They have feathers and scaly legs. Fish are aquatic animals with flippers and fins, and they use gills to breathe underwater.
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What makes something living? All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, adaptation, growth and development, homeostasis, energy processing, and evolution. When viewed together, these characteristics serve to define life.
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['Feathers. Feathers are an obvious trait. ... ', 'Wings. All birds have wings, but not all birds fly. ... ', 'Beaks or Bills. Beaks or bills are another characteristic of birds. ... ', 'Laying Eggs. All birds lay eggs. ... ', 'Adapted Skeleton. Bird skeletons are designed specifically to keep birds light so they can fly.']
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Water Quality can be defined as the chemical, physical and biological characteristics of water, usually in. respect to its suitability for a designated use. As we all know, water has many uses, such as for recreation, drinking, fisheries, agriculture and industry.
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It is warm-blooded. Most fish have body temperatures that match the surrounding water. A small number of them can warm specific parts of their bodies.
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['They are widely distributed, aquatic or terrestrial, parasitic or free-living.', 'Their body is elongated, cylindrical, unsegmented, worm-like, bilaterally symmetrical and tapering at both ends.', 'They are triploblastic animals with perivisceral cavity more extensive than that of platyhelminths.']
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Fish is a low-fat high quality protein. Fish is filled with omega-3 fatty acids and vitamins such as D and B2 (riboflavin). Fish is rich in calcium and phosphorus and a great source of minerals, such as iron, zinc, iodine, magnesium, and potassium.
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['All living things breathe, eat, grow, move, reproduce and have senses.', 'Non-living things do not eat, grow, breathe, move and reproduce. They do not have senses.']
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Those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. Some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive.