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Vertebrates Test
Test 12-22
| Question | Answer |
|---|---|
| Vertebrate | An Animal with a backbone made of vertebrae, or sometimes, cartilage |
| Chordate | Animals which AT SOME POINT in their lives had a notochord, a nerve cord, and pharyngeal slits |
| Cartilage | Flexible, strong, connective tissue (A few vertebrates have this as a backbones rather than bone) |
| Endoskeleton | Internal skeleton that supports and protects the body, gives it shape, and provides a place for muscles to attach |
| Ectotherm | An animal whose body temperature does not maintain a steady temperature on its own. These animals temperatures' go up and down depending upon the temperature of their environment. Ex: lizard, frog, fish |
| Endotherm | An animal whose body controls and regulates its body temperature from within, by controlling the heat it produces/releases Ex: humans, rabbits, birds |
| Fish | An ectothermic vertebrate that lives in water, has fins and scales, ans breathes with gills |
| Cartilaginous | Made of cartilage |
| Swim Bladder | An internal gas-filled sac that helps stabilize a fish at various depths |
| Buoyant force | the upward force exerted by water on an object or organism in or on it |
| Amphibian | an ectothermic vertebrate that spends its early life in water and its adult life on land. Means "Double life" |
| Atria | the upper chambers of the heart |
| Ventricle | The lower chamber of the heart |
| Habitat | the specific environment in which an organism lives |
| Reptile | an egg laying, ectothermic vertebrate that has lungs and scaly skin |
| Kidney | organs that filter waste from the blood |
| urine | watery fluid containing waste filtered from the blood that is excreted from the body of an animal |
| Dewlap | flap of loose skin under the head of a male reptile (Can be expanded when courting or defending territory) |
| Kilogram | metric unit used for mass or weight |
| incubation | period during which an organism develops inside an egg |
| Fossil | the hardened remains or other evidence ofa living thing that existed a long time in the past |
| sedimentary rock | rock made of hardened layers of sediment |
| paleontologist | scientists who study extinct organisms by studying their fossil remains and comparing them to present-day organisms |
| Amber | a hard yellowish to brownish fossil resin formed by tree sap |
| Three fish types | Bony fish, Cartilaginous fish, Jawless fish |
| Example of Bony fish | Trout, Flounder, Rainbow |
| Example of Cartilaginous fish | Shark |
| Example of Jawless fish | Lamprey |
| Characteristics of fish | Scales, Gills, Ectotherm, Fins |
| Characteristics of Amphibians | Atria, ventricles, ectotherm, vertebrate, lungs as adults, gills as larvae |
| Characteristics of Reptiles | One lung, eyelids (lizards), eggs with leathery shells, external ears (lizards), lays eggs on land, scaly skin |
Created by:
maglove97
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