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Animal Diversity Lab > Lab 11 - Chordata I > Flashcards

Lab 11 - Chordata I Flashcards

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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
defining characteristics of Clade Vertebrata
- vertebrae - two or more semicircular ear canals
26
Clade Vertebrata contains what Class (this is the only Clade it belongs to)?
Petromyzontida - lamprey
27
Class Petromyzontida has what kind of animals?
lampreys
28
Class Petromyzontida is the most basal group of Vertebrates, meaning...(2)
(1) they have no true bony vertebra, instead (2) they have a series of cartilage structures called arcualia
29
do members of Class Petromyzontida have jaws?
no
30
how many gill slits do members of Class Petromyzontida have?
seven
31
Class Petromyzontida contains ecto/endoparasites?
ectoparasites
32
defining characteristic of Gnathstomata
JAWS
33
Gnathostomata's only Class is....
Chondrichthyes
34
Class Chondrichthyes has what kinds of animals? (4)
- sharks - skates - rays - chimaeras
35
what Class contains cartilaginous fishes?
Class Chondrichthyes
36
how many gill slits do members of Chondrichthyes have?
five
37
what kind of fertilization does Class Chondrichthyes have?
internal
38
Many members of Class Chondrichthyes have what behind each eye?
a spiracle
39
what do spiracles do?
draw in water for respiration
40
the bodies of Class Chondrichthyes are covered in _____ scales made of _____
placoid, dentin
41
Ampullae of Lorenzini
electroreceptors located on the under side of the "nose" of class Chondrichthyes
42
lateral line detects...(3)
movement, vibration, and pressure in water
43
reproduction in Chondrichthyes: oviparous
egg-laying
44
reproduction in Chondrichthyes: ovoviviparous
live bearing but young are fed via a yolk sac
45
reproduction in Chondrichthyes: viviparous
live bearing with young fed via placentral nourishment
46
Clade Osteichthyes defining characteristics (4)
- HEAVILY OSSIFIED SKELETON - lepidotrichia (bony fish element) - lungs - in fish: swim bladder and gills
47
in Clade Osteichthyes, what has happened to the notochord?
it has been greatly reduced into intervertebral disks
48
Class Actinopterygii contains what kind of animals?
ray-finned fishes
49
what is the dominant class of vertebrates with over 29,000 species?
Class Actinopterygii
50
the gills of members of Class Actinopterygii are covered by...
a bony operculum
51
scales of members of Class Actinopterygii are made of...
dermal bone
52
Like Chondrichthyes, Actinopterygii has a....
lateral line
53
heterocercal fin
vertebra extend into the upper lobe making it longer
54
homocercal fin
vertebra terminate just after the caudal peduncle
55
Name this specimen.
Phylum Chordata Subphylum Urochordata
56
Name this specimen.
Phylum Chordata Subphylum Urochordata
57
name these specimen
Phylum Chordata Subphylum Urochordata
58
name these specimen
Phylum Chordata Subphylum Urochordata
59
name this specimen
Phylum Chordata Subphylum Cephalochordata
60
name this specimen
Phylum Chordata Subphylum Craniata Class Myxini
61
name this specimen
Phylum Chordata Subphylum Craniata Clade Vertebrata Class Petromyzontida
62
name this specimen
Phylum Chordata Subphylum Craniata Clade Vertebrata Class Petromyzontida
63
name this specimen
Phylum Chordata Subphylum Craniata Clade Vertebrata Class Petromyzontida
64
name this specimen
Phylum Chordata Subphylum Craniata Clade Vertebrata Class Petromyzontida
65
name this specimen
Phylum Chordata Subphylum Craniata Clade Vertebrata Class Petromyzontida
66
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
67
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
68
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
69
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
70
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
71
name what animal this specimen comes from
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
72
name what animal this specimen comes from, and what kind of birth it is
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes - ovoviviparous
73
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
74
name this specimen
Phylum Chordata Subphylum Craniata Clade Gnathostomata Class Chondrichthyes
75
name these specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
76
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
77
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
78
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
79
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
80
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
81
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
82
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
83
name this specimen
Phylum Chordata Subphylum Craniata Clade Osteichthyes Class Actinopterygii
84
name this specimen
Phylum Chordata Subphylum Urochordata larvae
85
name this specimen
Phylum Chordata Subphylum Urochordata
86
name this specimen
Phylum Chordata Subphylum Cephalochordata
87
name this specimen
Phylum Chordata Subphylum Cephalochordata

Animal Diversity Lab (11 decks)

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