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Animal Diversity Lab > Lab 11 - Chordata I > Flashcards

Lab 11 - Chordata I Flashcards

1
Q

four characteristics of Chordata

A
  1. dorsal hollow nerve cord
  2. notochord
  3. pharyngeal gill slits
  4. post-anal tail
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2
Q

coccyx

A

post-anal tail

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3
Q

pharyngeal slits

A

jaw and middle ear bones

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4
Q

notochord

A

intervertebral discs

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5
Q

dorsal hollow nerve cord

A

well developed spinal nerve

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6
Q

Chordata has these Subphylum (3)

A
  • Urochordata
  • Cephalochordata
  • Craniata
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7
Q

Subphylum Craniata contains these Clades (In Chordata 1) (3)

A
  • Vertebrata
  • Gnathostomata
  • Osteichthyes
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8
Q

Craniata contains these Classes (4)

A
  • Myxini
  • Petromyzontida
  • Chondrichthyes
  • Actinopterygii
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9
Q

Subphylum Craniata Class Myxini has what kind of animals?

A

hagfish

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10
Q

Subphylum Craniata Class Petromyzontida has what kind of animals?

A

lampreys

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11
Q

Subphylum Craniata Class Chondrichthyes has what kind of animals?

A

cartilaginous fish

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12
Q

Subphylum Craniata Class Actinopterygii has what kind of animals?

A

ray-finned fish

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13
Q

Subphylum Urochordata has what kind of animals? (2)

A

tunicates and sea squirts

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14
Q

the larvae of Subphylum Urochordata are…(2)

A
  • free swimming
  • exhibit all four chordate characteristics
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15
Q

adults of Subphylum Urochordata are sessile/free-living?

A

sessile

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16
Q

what have adults of subphylum Urochordata resorbed as adults? (3)

A
  1. nerve cord
  2. notochord
  3. post-anal tail
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17
Q

what is the only Chordate to have an open circulatory system?

A

Subphylum Urochordata

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18
Q

Subphylum Cephalocordata has what kinds of animals?

A

lancelets

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19
Q

do members of Subphylum Cephaocordata display all four characteristics of Chordates?

A

yes, their whole lives!

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20
Q

T/F members of Cephalocordata are small partially burrowing filter feeders

A

true

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21
Q

what is the first group to have dorsal/ventral aorta and segmented musculature?

A

Subphylum Cephalocordata

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22
Q

Subphylum Craniata consists of what types of animals? (2)

A
  • hagfish
  • all other derived organisms
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23
Q

defining characteristics of Craniata (5)

A
  • BRAINCASE
  • complex sensory organs
  • heart
  • hemoglobin
  • muscular gut
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24
Q

Subphylum Craniata contains what Classes that belongs to none of the clades discussed?

A

Myxini

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25
Q

defining characteristics of Clade Vertebrata

A
  • vertebrae
  • two or more semicircular ear canals
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26
Q

Clade Vertebrata contains what Class (this is the only Clade it belongs to)?

A

Petromyzontida - lamprey

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27
Q

Class Petromyzontida has what kind of animals?

A

lampreys

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28
Q

Class Petromyzontida is the most basal group of Vertebrates, meaning…(2)

A

(1) they have no true bony vertebra, instead (2) they have a series of cartilage structures called arcualia

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29
Q

do members of Class Petromyzontida have jaws?

A

no

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30
Q

how many gill slits do members of Class Petromyzontida have?

A

seven

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31
Q

Class Petromyzontida contains ecto/endoparasites?

A

ectoparasites

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32
Q

defining characteristic of Gnathstomata

A

JAWS

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33
Q

Gnathostomata’s only Class is….

A

Chondrichthyes

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34
Q

Class Chondrichthyes has what kinds of animals? (4)

A
  • sharks
  • skates
  • rays
  • chimaeras
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35
Q

what Class contains cartilaginous fishes?

A

Class Chondrichthyes

36
Q

how many gill slits do members of Chondrichthyes have?

A

five

37
Q

what kind of fertilization does Class Chondrichthyes have?

A

internal

38
Q

Many members of Class Chondrichthyes have what behind each eye?

A

a spiracle

39
Q

what do spiracles do?

A

draw in water for respiration

40
Q

the bodies of Class Chondrichthyes are covered in _____ scales made of _____

A

placoid, dentin

41
Q

Ampullae of Lorenzini

A

electroreceptors located on the under side of the “nose” of class Chondrichthyes

42
Q

lateral line detects…(3)

A

movement, vibration, and pressure in water

43
Q

reproduction in Chondrichthyes: oviparous

A

egg-laying

44
Q

reproduction in Chondrichthyes: ovoviviparous

A

live bearing but young are fed via a yolk sac

45
Q

reproduction in Chondrichthyes: viviparous

A

live bearing with young fed via placentral nourishment

46
Q

Clade Osteichthyes defining characteristics (4)

A
  • HEAVILY OSSIFIED SKELETON
  • lepidotrichia (bony fish element)
  • lungs
  • in fish: swim bladder and gills
47
Q

in Clade Osteichthyes, what has happened to the notochord?

A

it has been greatly reduced into intervertebral disks

48
Q

Class Actinopterygii contains what kind of animals?

A

ray-finned fishes

49
Q

what is the dominant class of vertebrates with over 29,000 species?

A

Class Actinopterygii

50
Q

the gills of members of Class Actinopterygii are covered by…

A

a bony operculum

51
Q

scales of members of Class Actinopterygii are made of…

A

dermal bone

52
Q

Like Chondrichthyes, Actinopterygii has a….

A

lateral line

53
Q

heterocercal fin

A

vertebra extend into the upper lobe making it longer

54
Q

homocercal fin

A

vertebra terminate just after the caudal peduncle

55
Q

Name this specimen.

A

Phylum Chordata
Subphylum Urochordata

56
Q

Name this specimen.

A

Phylum Chordata
Subphylum Urochordata

57
Q

name these specimen

A

Phylum Chordata
Subphylum Urochordata

58
Q

name these specimen

A

Phylum Chordata
Subphylum Urochordata

59
Q

name this specimen

A

Phylum Chordata
Subphylum Cephalochordata

60
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Class Myxini

61
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Vertebrata
Class Petromyzontida

62
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Vertebrata
Class Petromyzontida

63
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Vertebrata
Class Petromyzontida

64
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Vertebrata
Class Petromyzontida

65
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Vertebrata
Class Petromyzontida

66
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

67
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

68
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

69
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

70
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

71
Q

name what animal this specimen comes from

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

72
Q

name what animal this specimen comes from, and what kind of birth it is

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes
- ovoviviparous

73
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

74
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Gnathostomata
Class Chondrichthyes

75
Q

name these specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

76
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

77
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

78
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

79
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

80
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

81
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

82
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

83
Q

name this specimen

A

Phylum Chordata
Subphylum Craniata
Clade Osteichthyes
Class Actinopterygii

84
Q

name this specimen

A

Phylum Chordata
Subphylum Urochordata
larvae

85
Q

name this specimen

A

Phylum Chordata
Subphylum Urochordata

86
Q

name this specimen

A

Phylum Chordata
Subphylum Cephalochordata

87
Q

name this specimen

A

Phylum Chordata
Subphylum Cephalochordata

Animal Diversity Lab (11 decks)

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