Question 1

Which of the following are characteristics of all members of Phylum Chordata

Accepted Answer

Dorsal notochord,  Dorsal hollow nerve cord, Pharyngeal Pouches, Postanal tail,  Bilateral symmetry

Question 2

Which of the following are characteristics of only subphylum Vertebrata not found in all chordates?

Accepted Answer

Vertebrae/vertebral column/backbone

Question 3

project beyond the anus at some stage but may or may not persist

Accepted Answer

postanal tail

Question 4

can develop into slits that are used in filter feeding, gills, or gave rise to other structures in vertebrates.

Accepted Answer

Pharyngeal pouches

Question 5

a flexible, rodlike structure, extending the length of the body.

Accepted Answer

Notochord

Question 6

a tube where the anterior end becomes enlarged to form the brain.

Accepted Answer

Nerve cord

Question 7

Adults are marine, sessile filter feeds that may live in colonies

Accepted Answer

Tunicates

Question 8

Jawless fish

Accepted Answer

Class   Agnatha

Question 9

Small, laterally compressed fishlike filter feeder that inhabit sandy sediments.

Accepted Answer

Lancelets

Question 10

Skeletons made of cartilage

Accepted Answer

Class  Chondrichthyes

Question 11

Bony fish

Accepted Answer

Class  Osteichthyes

Question 12

What is this

Accepted Answer

Lancelets

Question 13

What is this

Accepted Answer

Tunicates

Question 14

What is this

Accepted Answer

Class   Agnatha

Question 15

What is this

Accepted Answer

Class  Osteichthyes

Question 16

What is this

Accepted Answer

Class  Chondrichthyes

Question 17

A member of Class Agnatha that can be parasitic; suckerlike oral disc is adapted for sucking blood and body fluids from other fish.

Accepted Answer

Lamprey

Question 18

A member of Class Chondrichthyes that are predators/scavengers that feed on a wide range of marine animals and even garbage.

Accepted Answer

Shark

Question 19

A member of Class Osteichthyes that represent 96% of all living fishes.

Accepted Answer

Telecosts

Question 20

A member of Class Aganatha; predators/scavengers that are attracted to dying fish and enter into the animal through an orifice or digging into the body.

Accepted Answer

Hagfish

Question 21

A member of Class Chondrichthyes; many are specialized for bottom dwelling, with dorsoventrally flattened bodies.

Accepted Answer

Ray

Question 22

A member of Class Osteichthyes; some can live out of water for long periods of time.

Accepted Answer

Lungfish

Question 23

Used for gas exchange; absorb O2 from water a release CO2

Accepted Answer

Gills

Question 24

A space that can trap gas and help fish regulate their vertical position.

Accepted Answer

Swim Bladder

Question 25

Paired appendages that allow for maneuverability.

Accepted Answer

Fins

Question 26

Describes the body of fish; reduces the affects of drag exerted by water.

Accepted Answer

Streamlined Shape

Question 27

A row of sensory structures that run the length of the body and connected by nerves to the brain; detects vibrations.

Accepted Answer

Lateral Line System

Question 28

Armor; help against predation and limit chemical exchanges through the skin.

Accepted Answer

Scales

Question 29

What is this

Accepted Answer

Stingray

Question 30

What is this

Accepted Answer

Skate

Question 31

What is this

Accepted Answer

Electric Ray

Question 32

What is this

Accepted Answer

Sturgeon

Question 33

What is this

Accepted Answer

Minnow

Question 34

What is this

Accepted Answer

Lungfish

Question 35

What is this

Accepted Answer

Gar

Question 36

What kind of scales are these

Accepted Answer

Ctenoid Scales

Question 37

What kind of scales are these

Accepted Answer

Scalesless

Question 38

What kind of scales are these

Accepted Answer

Placoid Scales

Question 39

What kind of scales are these

Accepted Answer

Ganoid Scales

Question 40

Name this tail shape

Accepted Answer

Homocercal Tail

Question 41

Name this tail shape

Accepted Answer

Diphycercal Tail

Question 42

Name this tail shape

Accepted Answer

Heterocercal Tail

Question 43

What is fin "A" called

Accepted Answer

Dorsal Fin

Question 44

What is fin "B" called

Accepted Answer

Caudal Fin

Question 45

What is fin "C" called

Accepted Answer

Ventral Anal Fin

Question 46

What is fin "D" called

Accepted Answer

Pelvic Fin

Question 47

What is fin "E" called

Accepted Answer

Pectoral Fin

Question 48

Fish have a ____ chambered heart.

Accepted Answer

2

Question 49