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Vertebrate
Flash Cards
Term | Definition |
---|---|
chordates | the phylum whose members have a notochord, a nerve cord, and slit in their throat area at some point in their lives |
notochord | a Flexible rod that support's a chordate's back. |
cartilage | A flexible, strong tissues that is softer than bone |
vertebrate | a animal that has a backbone |
ectotherm | a animal whose body dose not produce much internal heat- its body temp changes depending on the temp of its environment. |
endotherm | an animal whose body control and regulates its temp by controlling the internal heat it produce. |
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 its body at different water depths |
buoyant force | the force that water exerts upward on any underwater object. |
amphibian | is an ectothermic vertebrates that spends its early life in the water. |
atria | the 2 upper chambers of the heart, called atria. |
ventricle | the lower chamber of the heart which pumps blood out of the lungs and body. |
reptile | an exothermic vertebrates that has lungs and scaly skin |
habitat |