Chapter 3 Vertebra:)
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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| Swim Bladder | An internal gas-filled organ that helps a boney fish stabilize its body at different water depths.
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| Buoyant Forces | The force that water exerts upward on any underwater object.
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| Fish | An ectothermic vertebrate that lives in the water and has fins.
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| Chordate | The phylum whose members have notochords, a nerve chord, and slits in their throat area at some point in their lives.
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| Notochord | A flexible rod that supports a chordate's back.
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| Endotherm | An animal whose body controls and regulates its temperature by controlling the internal heat it produces.
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| Cartilage | A flexible, strong tissue that is softer than bone.
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| Vertebra(e) | The bones that make up the back bone of an animal.
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| Ectotherm | An animal whose body does not produce much internal heat.
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| Amphibian | An ectothermic vertebrate that spends its early life in water and its adulthood on land, returning to water to reproduce.
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| Urine | The watery fluid in which the waste produced by an animal's cells are excreted.
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| Ventricle | The lower chamber of the heart, which pumps blood out to the lungs and body.
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| Sedimentary Rock | rocks formed from hardened layers of sediments-particlesof clay, sand, mud, or silt.
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| Reptile | An exothermic vertebarte that has lungs and scaly skin.
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| Paleotologist | A scientist who studies extinct organisms, examines fossil structures, and makes comparisons to present-day organisms
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| Habitat | the specific environment in which an animal lives.
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| Fossil | The hardened remains or ather evidence of a living thing that existed a long time in the past.
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| Atrium | an upper chamber of the heart.
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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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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.
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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