Phylum Chordata

Question 1

What is the main characteristics of phylum chordata

Answer 1

Possession of Notochord

Question 2

Phylum chordata is divided into 3 SubPhylums. Name them

Answer 2

SubPhylum Urochordata
SubPhylum Cephalochord
SubPhylum Vertebrata

Question 3

Another name for SubPhylum Urochordata is what

Answer 3

Tunicates

Question 4

Mention the 3 classes of SubPhylum Urochordata

Answer 4

Class Ascidiacea (sea Squirts)
Class Thaliacea (slaps planktonic)
Class Larvacea Gelatinous House, Planktonic

Question 5

In SubPhylum Urochordata the Notochord is confirned to a shell?

Answer 5

Yes

Question 6

The Notochord is lost during what process in the SubPhylum Urochordata

Answer 6

During metamorphosis into sessile adults

Question 7

SubPhylum Urochordata posses what slits?

Answer 7

The pharyngeal slits

Question 8

SubPhylum Urochordata are Hermaphrodite?

Answer 8

Yes

Question 9

SubPhylum Cephalochord are terrestrial?

Answer 9

No. They are strictly aquatic

Question 10

SubPhylum Cephalochordata are filter feeders?

Answer 10

Yes

Question 11

List the two vertebrae classification we have

Answer 11

Superclass Agnatha (without jaws)
Superclass Gnathostoma(with jaws)

Question 12

Mention the classes under Superclass Agnatha

Answer 12

Class Myxini (hagfish)
Class Cephalaspidomorphi(lampreys)

Question 13

Mention the classes under Superclass Gnathostoma

Answer 13

Class Pieces
Class Amphibian
Class reptilia
Class Aves
Class Mammalia

Question 14

Class Pisces are divided into two parts. Name them

Answer 14

Chondrichthyes: sharks, rays Chimeras
Osteichthyes: Bony fishes

Question 15

What does the hagfish for protection

Answer 15

Mucus

Question 16

Another name for the Hagfish

Answer 16

Slime eels

Question 17

Are lampreys parasitic?

Answer 17

Yes

Question 18

Are lampreys Anadromous?

Answer 18

Yes

Question 19

What is the meaning of Anadromous

Answer 19

The phenomenon where a fish live in seas and breed in fresh water

Question 20

Characteristics of the Superclass Agnatha

Answer 20

Jawless
No scales
No paired fins
No developed vertebrae

Question 21

What are the first Vertebraes to make their appearance

Answer 21

Pisces

Question 22

How many chambered hearts does the Pisces possess

Answer 22

2 chambered hearts

Question 23

Chondrichthyes are what type of fishes

Answer 23

Cartilaginous fishes

Question 24

Chondrichthyes possess what type of tail structure

Answer 24

Heterocercal tail

Question 25

Sharks are the only Chondrichthyes that posses internal fertilization?

Answer 25

Yes

Question 26

What are Osteichthyes

Answer 26

Bony fishes

Question 27

Which of the classes possess an operculum(gill cover)

Answer 27

Osteichthyes

Question 28

The word "amphi" means what

Answer 28

Dual

Question 29

Name the major group of amphibians

Answer 29

Apodan (no legs) Urodeles (have legs and tail) Anurans (have legs no tail)

Question 30

Example of Apodans

Answer 30

Snakes

Question 31

Examples of Urodeles

Answer 31

Salamander

Question 32

Examples of Anurans

Answer 32

Frogs and toads

Question 33

What does the word "Repto" mean

Answer 33

Crawl

Question 34

How many chambered hearts does the class start reptilia has

Answer 34

3 except croks

Question 35

Name the major groups of class reptilia

Answer 35

Chelonia: tortoise and turtle Squamata: lizard, chameleon, dragon Crocodila: crocodiles and alligator

Question 36

What are the most successful vertebrates

Answer 36

Aves

Question 37

Aves posses hollow bones...?

Answer 37

Yes

Question 38

Major groups of the aves

Answer 38

Palcognathae Neogbathae

Question 39

What are palcognathae

Answer 39

Flightless birds: ratites

Question 40

What are Neognathae

Answer 40

Flying birds: Carinates

Question 41

What are mammals

Answer 41

Animals with mammary glands

Question 42

The most advanced group of vertebrates

Answer 42

Mammalia

Question 43

How many middle ear bones does the mammals possess

Answer 43

3 middle ear bones

Question 44

Nake the 3 major groups of Mammalia

Answer 44

Protheria (monotremeta) Metatheria ( marsupials) Eutheria (placental mammals)

Question 45

Protheria are what

Answer 45

Egg laying mammals

Question 46

Metatheria are what

Answer 46

Pouched mammals

Question 47

Eutheria are what

Answer 47

True mammals