| Term | Definition |
|---|
| vertebrae | backbone formed by many similar bones that are lined up in a row |
| musculoskeletal system | when two organ systems act so closely together |
| endoskeleton | supports and protects body helps give shape and muscles to attach |
| ectotherm | body temperature close to enviroment |
| endotherms | body temperature much warmer than enviroment |
| fish | ectothermic,vertebrate,fins,gills,live in water |
| jawless fish | no scales and cartilage skeletons |
| cartilage | strong tissue that supports body bust is softer and more flexible than bone |
| cartilaginous fish | pairs of fins, pointed toothlike scales covering body |
| bony fish | has scales and pocket on each side of head that holds gills |
| swim bladder | sac that helps stabalize fish in different depths |
| scales | scales protect fish |
| amphibian | ectothermic,vertebrate, spends early life of water and adult life on land |
| one loop circulatory system | circulatory system of tadpoles |
| two loop circulatory system | circulatory system of adult amphibian |
| atria | two upper chambers of heart that receive blood |
| ventricle | pumps blood out of lungs and body |
| reptile | ectothermic, vertebrate, lungs and scaly skin, and can spend whole life on land |
| scale covered skin | function to protect reptile and keep water inside body |
| kidneys | organs from excretory system that filter waste from blood |
| reptile egg | shell and membrane one membrane is food for membrane another holds ligquid that surrounds embryo |
| lizard | four legs with claws long slender bodies moveable eyelids and external ears |
| snake | no legs when moves body bends is carnivore and eats large prey |
| turtle | whole body is covered with protective shell body plates have large scales and the tail is for protection |
Combine with other sets
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