| A | B |
|---|
| Class Chondricthyes | classification cartilaginous fish |
| denticles | skin covered with tooth like projections |
| Class Osteichthyes | classification of bony fish |
| swim bladder | internal organ that makes bony fish neutrally buoyant |
| Class Agnatha | classification of jawless fish |
| Class Osteichthyes | classification of fish with endoskeleton made of CALCIFIED cartilage |
| lube finned | primitive fish with thick muscular fins that are sometimes used for walking briefly on land |
| fins | body part allows a fish to swim and steer |
| Bone | Cartilage coated with calcium |
| ray finned | fish with at least 2 fins that have long bones resembling rays of sunlight coming from a central point |
| mucus | covers the bodies of all fish to protect from disease |
| ectotherms | Fish are called what to describe the temperature of their body that is NOT the same as their surroundings |
| gills | branching organs located on the side of fish heads that have many, many small blood vessels called capillaries |
| Dorsal fin | fin that keeps body upright located on top of fish |
| Caudal fin | tail fin that provides thrust (forward motion) |
| Anal fin | fin that helps keep body upright located on back ventral side of fish |
| pelvic fin | fin that allows turns and some fish use to rest on at the bottom of their habitat |
| pectoral fin | fin that allows turns and rear thrust |
| Adipose fin | fin with no motion (on some fish) |
| ventral | relating to the underside of an animal or plant; abdominal |
| Pelvic fins | In front of anal fin on the ventral side |
| Class Agnatha | examples of this class are lampreys and hagfish |
| adipose fin | second dorsal fin |
| Pectoral fins | Side of fish near bottom directly beneath gills |
| dorsal | relating to the upper side or back of an anima |
| Class Chondricthyes | class that includes sharks, skates and rays |
| tail | affix "caud" |
| back | affix "dors" |
| cartilage | affix "chondr" |
| inside | affix "endo" |
| fish | affix "ichty" |
| bone | affix "oste" |
| energy/heat/temperature | affix "therm" |
| placoid | scale that it also known as denticles |
| outside | affix "exo" |
| ctenoid | scale with "comblike teeth" or "spines" |
| ganoid | scales that are hard and diamond in shape, overlapping each other |
| cycloid | scale that makes up inner layer of ganoid scales |
| diffusion | substance such as oxygen moves from a higher concentration to a lower concentration |
| operculum | bony plate that covers the gills in some fish |
| homeostasis | the ability to maintain internal stability in an organism in response to the environmental changes |
| spawning | type of external fertilization in which the eggs and the sperm are released in the same area at the same time |
| anterior | frontal region of an organism |
| posterior | behind region of an organism...not the back |
| lateral line | fish sense organ that detects vibrations |
| pelvic fin | paired fins found on ventral and anterior on the fish |
| pectoral fin | allows for quick changes in direction and speed |
| pelvic fin | pair of fins that stabilizes fish and allows for up and down motion |
| outside | affix "ecto" |
| not/non/one | affix "a" or "an" |
| jaw | affix "gnath" |
