chapter 3.1vertebra Word Scramble
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Term | Definition |
Endotherm | An animal whose body controls and regulates it's tempurature by controlling the internal heat it produces |
Ectotherm | An animal whose body does not produce much internal heat |
Chordate | The phylum whose members have a notochord, a nerve chord, and slits in their throat area at some point in their lives |
Notochord | A flexible rod that supports a chordate's back |
Vertebra | The bones that make up the backbone of an animal |
Cartilage | A flexible, strong tissue that is softer than bone |
fish | An Ectothermic vertebrate that lives in the water and has fins |
Swim bladder | An internal gas-filled organ that helps a bony fish stabilize it's body at different water depths. |
Bouyant Force | The force that water exerts upward on any underwater object |
Amphibian | An ectothermic vertebrate that spends its early life in water and its adulthood on land, returning to water to reproduce |
Habitat | The specific enviroment in which an animal lives |
Atrium | An upper chamber of the heart |
Venticle | The lower chamber of the heart, which pumps blood out to the lungs and body |
Reptile | An ectothermic vertebrate that has lungs and scaly skin |
Urine | The watery fluid in which the wastes produced by an animals cells are excreted |
Fossil | The hardened remains or other evidence of a living thing that existed a long time in the past |
Sedimentary Rock | Rock formed from hardened layers of sediments- particles of clay, sand, mud, or slit |
Paleontogists | A scientist who studies extinct organisms, examines fossil structures, and makes comparasions to present-day organisms |
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Kadiecotton
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