ch19

Question 1

scientist who study fish

Answer 1

Ichthyologists

Question 2

fish with skeletons made of bone; 95% of known species; Most nourishing

Answer 2

Bony fish

Question 3

covering for the gill

Answer 3

Opercula

Question 4

fins located in center of fish

Answer 4

Median fins

Question 5

fins located just behind the head on each side of the body/ replace arms of fish

Answer 5

Pectoral fins

Question 6

special organs of fish that allows exchange of oxygen and carbon

Answer 6

Gills

Question 6

w shaped bands

Answer 6

Myomeres

Question 6

tail fin of a fish

Answer 6

Caudal fin

Question 7

fin that projects downward from the rear of a fish’s trunk

Answer 7

Anal fin

Question 8

curved arch of cartilage on gill

Answer 8

Gill arch

Question 9

strain food particles and other debris out of the water

Answer 9

Gill rakers

Question 10

Fish have a ___ chambered heart

Answer 10

two

Question 11

Fish are ______ eaters

Answer 11

Plankton

Question 12

system of special nerve endings/ sensitive to changes in pressure and notice changes in movement

Answer 12

Lateral line

Question 13

the act of laying eggs

Answer 13

Spawn

Question 14

eggs of fish

Answer 14

Roe

Question 15

a young fish

Answer 15

Fry

Question 16

hollow, gas filled chamber

Answer 16

Swim bladder

Question 17

the ability to produce light

Answer 17

Bioluminescence

Question 18

have skeletons made of cartilage rather than bone

Answer 18

cartilaginous fish

Question 19

the skin of sharks, rays, and chimaeras is covered with tooth-like scales known as _____. more simply: tooth-like scales

Answer 19

denticles

Question 20

most feared creature in the ocean

Answer 20

Shark

Question 21

Sharks have a ______ and _____ fin

Answer 21

Asymmetrical and caudal

Question 22

rays, skates, and sawfish

Answer 22

Batoids

Question 23

rays that reproduce by internal fertilization and bear live young

Answer 23

True rays

Question 24

Batoids breathe through ____.

Answer 24

spiracles

Question 25

only oviparous ray

Answer 25

Skates

Question 26

species of fish that lack jaws

Answer 26

Lampreys and hagfish

Question 27

part of gill that does the exchanging of oxygen and carbon

Answer 27

gill filaments

Question 28

fish that goes back to where it was from, lays its eggs, and dies

Answer 28

Pacific salmon

Question 29

fish responsible for largest number of injuries

Answer 29

stingray