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Bio 102 > Phylum Chordata > Flashcards

Phylum Chordata Flashcards

1
Q

What is the main characteristics of phylum chordata

A

Possession of Notochord

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2
Q

Phylum chordata is divided into 3 SubPhylums. Name them

A

SubPhylum Urochordata
SubPhylum Cephalochord
SubPhylum Vertebrata

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3
Q

Another name for SubPhylum Urochordata is what

A

Tunicates

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4
Q

Mention the 3 classes of SubPhylum Urochordata

A

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

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5
Q

In SubPhylum Urochordata the Notochord is confirned to a shell?

A

Yes

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6
Q

The Notochord is lost during what process in the SubPhylum Urochordata

A

During metamorphosis into sessile adults

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7
Q

SubPhylum Urochordata posses what slits?

A

The pharyngeal slits

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8
Q

SubPhylum Urochordata are Hermaphrodite?

A

Yes

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9
Q

SubPhylum Cephalochord are terrestrial?

A

No. They are strictly aquatic

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10
Q

SubPhylum Cephalochordata are filter feeders?

A

Yes

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11
Q

List the two vertebrae classification we have

A

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

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12
Q

Mention the classes under Superclass Agnatha

A

Class Myxini (hagfish)
Class Cephalaspidomorphi(lampreys)

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13
Q

Mention the classes under Superclass Gnathostoma

A

Class Pieces
Class Amphibian
Class reptilia
Class Aves
Class Mammalia

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14
Q

Class Pisces are divided into two parts. Name them

A

Chondrichthyes: sharks, rays Chimeras
Osteichthyes: Bony fishes

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15
Q

What does the hagfish for protection

A

Mucus

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16
Q

Another name for the Hagfish

A

Slime eels

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17
Q

Are lampreys parasitic?

A

Yes

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18
Q

Are lampreys Anadromous?

A

Yes

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19
Q

What is the meaning of Anadromous

A

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

20
Q

Characteristics of the Superclass Agnatha

A

Jawless
No scales
No paired fins
No developed vertebrae

21
Q

What are the first Vertebraes to make their appearance

22
Q

How many chambered hearts does the Pisces possess

A

2 chambered hearts

23
Q

Chondrichthyes are what type of fishes

A

Cartilaginous fishes

24
Q

Chondrichthyes possess what type of tail structure

A

Heterocercal tail

25
Q

Sharks are the only Chondrichthyes that posses internal fertilization?

26
Q

What are Osteichthyes

A

Bony fishes

27
Q

Which of the classes possess an operculum(gill cover)

A

Osteichthyes

28
Q

The word “amphi” means what

29
Q

Name the major group of amphibians

A

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

30
Q

Example of Apodans

31
Q

Examples of Urodeles

A

Salamander

32
Q

Examples of Anurans

A

Frogs and toads

33
Q

What does the word “Repto” mean

34
Q

How many chambered hearts does the class start reptilia has

A

3 except croks

35
Q

Name the major groups of class reptilia

A

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

36
Q

What are the most successful vertebrates

37
Q

Aves posses hollow bones…?

38
Q

Major groups of the aves

A

Palcognathae
Neogbathae

39
Q

What are palcognathae

A

Flightless birds: ratites

40
Q

What are Neognathae

A

Flying birds: Carinates

41
Q

What are mammals

A

Animals with mammary glands

42
Q

The most advanced group of vertebrates

43
Q

How many middle ear bones does the mammals possess

A

3 middle ear bones

44
Q

Nake the 3 major groups of Mammalia

A

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

45
Q

Protheria are what

A

Egg laying mammals

46
Q

Metatheria are what

A

Pouched mammals

47
Q

Eutheria are what

A

True mammals

Bio 102 (10 decks)

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