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marine biology

Terms

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swim bladder
allows them to regulate their bouyance
dorsal
unpaired, stability, lessen tendency to pitch
osteichthyes
osteo=bone, 98% bony, overlapping scales, operculum, fin rays, terminal jaw, swim bladder
dorsal-ventrally flattened
bottom/short bursts of speed
fin rays
thin membranes supported by bony spines
boxy
rocks and crvices
caudal
unpaired, thrust, speed reduce oscillation, direction
soft and round fin
quick acceleration and maneuverability
eel-like
rocks and crevices/ slow
terminal mouth
teeth generally fused to jawbone
pectoral and pelvic
paired stability, turn, stop, move back wards
lunate
sustained long distance fast swimming, poor maneuverabilty
nervous system
smell: find food, avoid predators, mates/ vision-good/ hearing- internal system of fluid canals attached to the inner ear/ lateral line- sensitive to vibrations in water(kinda like touch)/ cerebrum not well developed
anal
unpaired, prevents rolling
operculum
gill cover
schooling
protection, feeding, swimming efficiency
fusiform
fast/ pelagic
fork
less drag, faster swimming and less maneuverabilty

Deck Info

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