Shark Test

Question 0

Ectothermic

Answer 0

Cold- blooded

Question 1

The notochord is later replaced by?

Answer 1

The true backbone

Question 2

What are the 3 classes of phylum chordate?

Answer 2

Agnatha, Chondrichthyes, Odteicthyes

Question 3

Characteristics of Agnatha are

Answer 3

Jawless fish, most primitive, mouth is a circular sucking disc, they are primarily parasitic

Question 4

Characteristics of Chindricthyes

Answer 4

Jawed gosh with cartilaginous skeletons, no swim bladder,

Question 5

Characteristics of Osteichthyme?

Answer 5

Bony fish, true bones, spiny rated species,

Question 6

The most efficient design for moving rapidly through the water?

Answer 6

Fusiform

Question 7

The body shape of a stingray

Answer 7

Dorsoventrally flattened

Question 8

Which side of a flinders body normally faces the bottom

Answer 8

The right side

Question 9

The eel has an elongated body shape called

Answer 9

Attenuated shape

Question 10

Myomeres

Answer 10

Body muscle segments

Question 11

What type of muscle fibers function during short bursts of speed

Answer 11

White fibers

Question 12

Why can’t trigger fish swim as fast and tuna and mackerel?

Answer 12

They have little to know amounts of red fibers

Question 13

What find are used for turning, balancing, and breaking

Answer 13

Paired pectoral and pelvic fins

Question 14

In active predation the prey is usual what length of the predator

Answer 14

1/4

Question 15

Predator feeders that take small bites of food

Answer 15

Nibblers

Question 16

Special devices on gills that allow fish to swallow food as water passes through the mouth are

Answer 16

Gill rakers

Question 17

What are barbels

Answer 17

Sense organs that detect food on the murky bottom

Question 18

Lamprey uses what to scrape a hole in the side of a fish

Answer 18

Rasping tongue

Question 19

What do Gill rakers prevent from happening

Answer 19

They prevent particlr in the water from damaging the gill filaments

Question 20

Fish receive oxygen through what organ

Answer 20

Spiracle

Question 21

What is the operculum

Answer 21

Covers and protects the gills

Question 22

What is a spiracle

Answer 22

A modified gill slit in sharks and rays it work with the mouth. To bring water into the gill chamber

Question 23

What does the swim bladder do?

Answer 23

Maintains neutral buoyancy

Question 24

Open swim bladder

Answer 24

Found in older fish, can be filled by gulping air from the surface

Question 25

Closed swim bladder

Answer 25

Regulated by the gas gland controlled by the nervous system

Question 26

The process where organism dispose of wastes is

Answer 26

Excretion

Question 27

The main organs of excretion are

Answer 27

Kidneys and gills

Question 28

What do chloride cells do

Answer 28

Actively remove excess salts

Question 29

What is Osmoregulation

Answer 29

Fish regulate the amount of water in their tissues and cells

Question 30

Vision is important for

Answer 30

Finding food, breeding partner, and avoiding predators

Question 31

A sac-like inner ear in the fish that functions in hearing and balance is the

Answer 31

Labyrinth

Question 32

Neuromast sense cells are

Answer 32

Fluid filled canals and receptors in the inner ear

Question 33

The lateral line is important to fish because it

Answer 33

Helps fish swim as a shoal, and detects low frequency vibrations

Question 34

The process where fish can detect minute quantities of materials dissolved in water is

Answer 34

Chemireception

Question 35

The ability of fish to detect electrical currents is

Answer 35

The Ampullae of Lorenzeni

Question 36

The ampullae of lorenzini is

Answer 36

A system of pores on the snout that detect electrical currents

Question 37

The protective material covering the outer layer of skin is

Answer 37

Mucus

Question 38

Body odor is found where

Answer 38

Mucus

Question 39

Fish coloration is used for

Answer 39

Species recognition, camouflage, warning to others, and advertising willingness to remove parasites

Question 40

Star shaped pigment cells located under the transparent scales or the thin cell layer are

Answer 40

Chromatophores

Question 41

Iridocytes are

Answer 41

Pigment cells that contain reflecting granules that work like mirrors

Question 42

Countershading is important because it

Answer 42

Makes it hard for predators or prey to see or be seen

Question 43

Migratory fish that breed in freshwater and spend their lives at sea are

Answer 43

Anadromous

Question 44

Fish that breed at sea and spend their lives in freshwater are

Answer 44

Catadromous

Question 45

Milt is produced in the

Answer 45

Testes

Question 46

Roe is

Answer 46

Eggs

Question 47

Time of breeding is determined by

Answer 47

Water temp, photoperiod, salinity levels, and tide cycles

Question 48

Large schools are spawning fish are called

Answer 48

Shoals

Question 49

Where does gas exchange occur

Answer 49

In the gills

Question 50

The most primitive fish class is

Answer 50

Agnatha

Question 51

Agnatha contains

Answer 51

Lamprey and hagfish

Question 52

Chondrichthyes contains

Answer 52

Sharks, rays, and chimeras

Question 53

Osteichthyes contain

Answer 53

Tuna, dolphin fish, swordfish, and coral reefs fish

Question 54

What does dorsoventrally flattened mean

Answer 54

Flattened from top to bottom

Question 55

What fins are used for lift and support

Answer 55

Pectoral fins

Question 56

Attenuated means

Answer 56

Elongated body shape

Question 57

The lateral line serves what purpose

Answer 57

Aids in senses

Question 58

Where is the Ampullae of Lorenzini located

Answer 58

On the snout

Question 59

Which find are paired

Answer 59

Pectoral and pelvic fins

Question 60

The shapes of caudal find are

Answer 60

Heteroceral, diphyceral, homocercal

Question 61

What is oopagy

Answer 61

Embryonic cannabalism

Question 62

Viviparous means

Answer 62

Common way of reproduction in sharks

Question 63

Ovoviviparous means

Answer 63

Most advanced way of reproduction in sharks