| Term | Definition |
|---|
| vertebrae | bones that make up the backbone of an animal |
| endoskeleton | an internal skeleton |
| musculoskeletal system | muscualar and skeletal system working toegther |
| echotherms | animals with body temps that are close to the temp of the environment. Most fish, amphips and reptiles (cold-blooded) |
| endotherms | animals with stable body temps usually much warmer than the environment (warm blooded) |
| fish | ectothermic vertebrae that lives in water and has fins which are strucutres used for movin; obtain oxygen thru gills and have scales. |
| cartilaginous fishes | endoskeleton is made up of cartilage; have jaws, fins and scales, |
| cartilage | strong flexible tissue that supports the body but is softer than bone |
| jawless fish | have no scales, endoskeletons made of cartiladge and mouth structures scrape, suck and stab their food |
| bony fish | covered w/ scales, have pockets on te head that hold the gills, and most have a swim ballder |
| swim blader | an internal gas filled sac that helps fish stabilze its body at different depths |
| scale covered skin | thin overlapping plates that cover fish and serve as protection and to keep water in |
| kidneys | organ of the excretory system that elimnates urea, excess water and other waste fromthe body |
| amphibians | an ectothermic vertebrate that spends its early life in waterand its adult life on land, returning to water to reproduce |
| artia | the 2 upper chambers of the heart that receive blood |
| ventricle | the 2 lower chambers of the heart that pump blood out to the lungs and body |
| reptile | an ecothermic vertebrate tat had lungs and scaly skin. They can spend their entire life on dry land |
| lizards | four legged reptiles w/ long toe nails, slender bodies moveable eyelids and external ears |
| snakes | legless reptiles, carnivores w/ jaws that can open to eat much larger prey |
| turtles | reptiles w/ a protective shell made of plates of ribs and backbone |
| reptile eggs | leathery shells keep the eggs from drying out |
| one loop circulatory system | theheart pumps blood to the gills, tehblood travels to the rest of the body and back to the heart |
| two loop circulatory system | blood flows from the heart to the lungs where it picks up oxygen thenback to the heart and on to the rest of the body |
| larva | have gills & live in water, but as they grwo to adults they develop lungs and live on dry land |
| diaphragm | large dome shaped muscle usedi n breathing |
| mammary glands | an organ that produces milk for the young of a species |
| monotreme | egg laying animals |
| marsupial | mammal taht gives birth tio live young at early stage of development that compltes gestation in a special pouch |
| gestation period | length of time between fertilization and birth |
| placental mammal | mammal that uses a placenta to care for its young within its body |
| placenta | organ tha becomes the link between themother and the developing embryo |
| bird adaptations | feathers, hollow bones, large chest muscles |
| Crop | a place tha bird stores food until it is digested |
| gizzards | squeezw and grind partuially digested food |
| canine teeth | stab abd tear food; killing |
| molar teeth | grind and shred food |
| incisors teeth | bite off and cut food |
| nervous system | allows for quick response; laern to adapt for survival; behave in complex ways |
| birds help environment | eat bugs and insects; pollinate flowers; spread seeds |
Combine with other sets
Share on Facebook
Share on MySpace