Vertebrate Diversity
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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| Chordate | Any animal having, at some stage in development, a hollow nerve cord, pharyngeal slits, and tail.
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| Notochord | Flexible skeletal support rod embedded in an animal's back.
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| Endoskeleton | Internal skeleton built of bone or cartilage.
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| Gill | Respiratory organ of aquatic animals that allows breathing underwater.
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| Countercurrent Flow | Flow of water opposite that of the flow of blood in a fish's gills.
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| Lateral Line | Sensory system in fish that allows them to sense distant movements in the water.
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| Operculum | Protective bony plate that covers a fish's gills.
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| Ray-Fin | Fan shaped arrangement of bones in a fish's fin.
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| Swim Bladder | Buoyancy organ that helps fish to swim at different depths in the water.
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| Lobe-Fin | Paired limblike fin that is round in shape.
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| Tetrapod | Vertebrate with four limbs.
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| Amphibian | Vertebrate that can live on land and in water.
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| Tadpole | Aquatic larva of frogs or toads.
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| Amniote | Vertebrate whose embryo or fetus is enclosed by a thin, tough membranous sac.
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| Keratin | Protein that binds to lipids inside a skin cell, forming a waterproof layer within the skin.
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| Amniotic Egg | Waterproof container that allows an embryo to develop out of water and externally from the mother without drying out.
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| Placenta | Organ that develops in female mammals during pregnancy and carries nutrients from the mother to the embryo.
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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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Created by:
Mr.Devine
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