Term
| List the two types of jawless fish, explain main differences between them. |
|
Definition
Hagfish: feed on dead fish(marine)
Lamprey: feed on live fish as parasite (marine AND fresh) |
|
|
Term
| List the characteristics found in all chordates (phylum chordata). |
|
Definition
| dorsal nerve chord, notochord, gill-slits |
|
|
Term
| what do whale sharks, basking sharks, and megamouth sharks have in common? |
|
Definition
|
|
Term
| Where do demersal fishes live? (ex) |
|
Definition
|
|
Term
| What do rays and skates typically feed on? |
|
Definition
| clams, crabs, and small fish |
|
|
Term
| Explain the difference in how sharks and bony fish maintain buoyancy. |
|
Definition
| swim bladder; sharks have an oily liver to aid in buoyancy |
|
|
Term
| List general bony fish characteristics |
|
Definition
| operculum, swim bladder, mouth in front of face |
|
|
Term
| What is cryptic coloration? disruptive coloration? countershading? warning coloration? |
|
Definition
| camo; break up outline; light on bottom and dark on top; warning |
|
|
Term
|
Definition
| cells on skin allow to change color, shiny, or dull |
|
|
Term
| Function of gill filaments? |
|
Definition
| absorb oxygen efficiently |
|
|
Term
|
Definition
| protect gills from food particles |
|
|
Term
| how many chambers make up the heart? |
|
Definition
|
|
Term
|
Definition
| breathe without swimming; some sharks and rays |
|
|
Term
| explain function of oily liver for sharks. liver for bony fishes? |
|
Definition
| aids shark in buoyancy. and produces bile to break down fats |
|
|
Term
| explain design advantage of spiral valves |
|
Definition
| high surface area allows for more nutrients to be absorbed |
|
|
Term
| function of lateral line system in fish |
|
Definition
| feel vibrations/turbulence in water and currents |
|
|
Term
| what is the nictitating membrane? |
|
Definition
|
|
Term
| difference between anadromous and catadromous fishes |
|
Definition
anadromous: lives in marine but breads in freshwater
catadromous: lives in fresh but breeds in marine. |
|
|
Term
| explain diff between true hermaphrodite and sex reversal |
|
Definition
hermaphrodite: male AND female gonads
sex reversal: starts out one gender and changes |
|
|
Term
| difference between external and internal fertilization |
|
Definition
external: spawning; fertilize outside body
internal: copulation; fertilize inside body |
|
|
Term
| what is courtship? copulat |
|
Definition
| courtship: behavior to attract mate |
|
|
Term
|
Definition
| allows sharks to copulate |
|
|
Term
| oviparous? viviparous? ovoviviparous? |
|
Definition
ova-egg
vivi-live
ovavivi-egg IN body and comes out live |
|
|
Term
| 2 bony fish fin supports? |
|
Definition
fin spine: defense
finrays: swim |
|
|
Term
|
Definition
| mass movement from one area to another (feed or breed) |
|
|
Term
| Function of ampullae of lorenzini |
|
Definition
| detects weak electrical fields in water |
|
|
Term
to which phylum do fish belong?
subphylum? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| marine fish percent? fresh? |
|
Definition
| marine: 58% freshwater: 42% |
|
|
