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Chapter 30

WordDefinition
Cartilage Tough flexible material making up skeletons of agnathans, sharks, and their relatives, as well as prtions of bony-animals skeletons
Fin Fan-shaped membranes used for balance, swiming, and steering
Lateral line system Line of fluid filled canals running along the sides of a fish that enables the fish to detect movement and vibrations in the water
Scale Thin bony plates that come in a variety of shapes and sizes formed from the
Spawning Method of reproduction and fish and some other animals where a large number of animals are fertilized outside of the body
Swim bladder thin-walled, internal sac found just below the backbone in bony fish
Ectotherm Animal that has a variable body temperature and derives its heat from external sources
Vocal Chord sound-producing bands of tissue in the throat that produce sound as air passer over them
Created by: bio123
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