Unit 4 Marine Fish
angel fish
(fish in top right)
How many chambers does a fish heart have?
2
When did fish start to appear on the Earth?
500 Million Years Ago
How old is a fish that has 8 bands of growth rings on its scales?
8
Which of the following is NOT a type of fish scale?: Placoid, Cyloid, Ctenoid, Ackroid
Ackroid
What are the 3 classes of fish?
Agnatha - Jawless Fish Chondrichthyes - Cartilagenous Fish Osteichthyes - Bony Fish
Which type of fish evolved last?
Bony
Water flows across the gill filaments in a process called...
Counter-current exchange
What type of shape does a fish have that lets them move through the water?
Fusiform
Which of the following is NOT used to help a fish hear?
Gill rakes
What the he purpose of a swim bladder?
Give the ability or the fish to float or rise in a liquid.
Which organism secrete slime from its sides?
Hagfish
What is the purpose of the pectoral fin?
Maneuver the Fish
What is the purpose of the pelvic fin?
Manuever the fish
What do you call the protective gill covers that most fish?
Operculum
Fish that releases eggs and males fertilize them with sperm. The eggs develop outside of the mom.
Oviparous
What do we call the pair of breathing holes found behind each eye of a shark, ray, or skate that allows water to flow to the gill chamber.
Spiracles
What technique is the most effective at stopping lamprey?
Sterilizing Males
What do we call the type of reproduction where the fish gives live birth?
Viviparous
What allows for the contraction of the fish body wall?
Zig-zag shape muscles
What detects electrical vibrations of prey?
ampullae of Lorenzini
some adaptations of fish
barrel fish's eyes have migrated to look upward with a see through head so that they can see prey above them, flying fish can jump out of the water and sail to get away from predators
Which of the following is not a purpose of fish scales?: shield against injury, help move through the water, reduce drag, circulate oxygen
circulate oxygen
What male appendage is used to fertilize female sharks?
clasper
What does a lateral line do?
detects vibration in the water
Which of the following is NOT a use bioluminescence of Angler fish?: attract prey, distract predators, attract mates
distract predators
Most fish are:
ectothermic
What structure prevents materials from water damaging gill filaments?
gill rakers
Which type of fish evolved from segmented worms ?
jawless
What do you call a pouch that baby skates grow and develop in?
mermaid purse
Which of the following is not a structure found in bony fish?: notochord, vertebral backbone, operculum, gill rakers
notochord
What type of scales do sharks have?
placoid
What is the purpose of the caudal fin?
propel fish forward
wrasse
purple with red lines (no pictures)
What is the major difference between skates and rays?
rays have a spine in their tails
What is the purpose of a forked tail?
reduce drag
What is the purpose of the dorsal fin?
stabalize the fish
What is the purpose of the anal fin?
stabilize the fish
why are sharks important to the ecosystem?
they keep the balance and keep the food chain in tact
