biology 27/28
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| neural crest | group of cells that develops from the embryo ectoderm and contributes to the development of many vertebrate structures
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| pedicellaria | small pincher that helps echinoderms catch food and remove foreign materials from the skin
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| operculum | movable protective flap that covers a fishes gills and helps to pump water that enters the mouth and moves over the gills
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| swim bladder | gas filled internal space in bony fishes that allows them to regulate their buoyancy
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| tympanic membrane | eardrum
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| ventricle | he heart chamber that pumps blood from the heart to the gills or lungs
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| lateral line system | sensory receptors that enable fishes to detect vibrations or sound waves in water
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| tetrapod | our footed animal with legs that have feet and toes with joints
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| spawning | process by which male and female fish release their gametes near each other in the water
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| atrium | heart chamber that receives blood from the body
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| ectotherm | animal that cannot regulate its body temperature through its metabolism and obtains its body heat from the external environment
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| water vascular system | system of fluid filled closed tubes that allow echinoderms to control movement and get food
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| madreporite | strainer like opening through which water enters the water vascular system in most echinoderms
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| ampulla | in echinoderms the muscular sac that contracts to force water into the tube feet allowing it to extend
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| chordate | animal of the phylum chordata having a dorsal tubular nerve cord a notochord pharyngeal pouches and a postanal tail at some point in its development
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| cartilage | flexible tough material that makes up vertebrate skeletons or parts of vertebrate skeletons
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| postanal tail | chordate structure used primarily for locomotion
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| scale | small flat platelike structure near the surface of the skin of most fish can be ctenoid cycloid placoid or genoid
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| invertebrate chordate | chordate without a backbone
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| dorsal tubular nerve cord | tube shaped chordate nerve chord located above the digestive organs
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| tube feet | one of the muscular small fluid filled tubes with suction cuplike ends that enable echinoderms to move and collect food
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| pharyngeal pouch | in chordate embryos one of the paired structures connecting the muscular tube lining the mouth cavity and the esophagus
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| fin | paddle shaped structure of a fish another aquatic animal used for steering balance and propulsion
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| notochord | flexible rodlike structure extending the length of the chordate body enabling the body to bend and make side to side movement
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| cloaca | the chamber that receives digestive waste urinary waste and eggs or sperm before they leave the body
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| nephron | filtering unit of the kidney
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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