bio quiz (chapter 19) Flashcards
cold-blooded, water-dwelling vertebrates with gills and scales
fish
fish that have skeletons made either partially or wholly of bone
bony fish
helps protect the delicate gill structures beneath from being damaged
opercula
largest part of a fish’s body
trunk
most prominent features of the fish’s trunk and tail
fins
fins that project from the center line of the fish’s body. anal and dorsal fin.
median fins
fin that serves as a fish’s propeller and rudder
caudal fin
special pigment cells, that give richly varied colors
chromatophores
protective covering of small, bony plates, located just beneath the epidermis, in the dermis of the skin
scales
consists of many separate vertebrae of bone or cartilage, provides the central framework and chief means of support for the trunk and tail
backbone
W-shaped bands of muscle
myomeres
special organs that allow oxygen and carbon dioxide to pass between the water and the fish’s blood
gills
opens into the fish’s pharynx
gill chamber
vane-like projections from the front of each gill arch that strain food particles and other debris out of the water, preventing the gills from becoming fouled by these sediments
gill rakers
closed system of arteries, veins, and capillaries, broadly similar to the circulatory systems of mammals, birds, and reptiles
cardiovascular system
fish have a __ chambered heart
two
system of special nerve endings that extends over its head and down the sides of its body
lateral lines
means ‘to lay their eggs’
spawn
hollow, gas-filled chamber located high in the fish’s body cavity
swim-bladder
fish eggs
roe
fish with no swim bladder
flounder
fish that can breath in water and land
lungfish
fish that uses the swim bladder to make
noises
catfish
fish that goes back to birthplace to spawn its own eggs
pacific salmon