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Practical II > Phylum Chordata > Flashcards

Phylum Chordata Flashcards

1
Q

method of locomotion in Tunicates

A

sessile in adult form, free-swimming in larval form

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1
Q

What specimen is this?

A

Lamprey

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1
Q

What class do mammals belong to?

A

Mammalia

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2
Q

body cavity of Tunicates

A

none

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3
Q

What specimen is this?

A

Mammal

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3
Q

nervous system of Lamprey

A

primitive (brain, spinal cord)

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4
Q

level of organization in Chordata

A

organ system

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5
Q

digestive system of Lamprey

A

simple: esophagus, intestine (no true stomach)

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6
Q

What subphylum does Squalus belong to?

A

Vertebrata

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8
Q

What class do Amphibians belong to?

A

Amphibia

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9
Q

What subphylum do birds belong to?

A

Vertebrata

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10
Q

What class does Tunicate belong to?

A

Ascidiacea

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11
Q

Distinguishing characteristics of super class Agnatha

A
  • jawless fishes
  • have unhinged, circular mouths
  • are parasitic (Lampreys) or scavenger (Hagfish)
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12
Q

skeletal system of Tunicates

A

spicules

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13
Q

digestive system of Tunicates

A

pharynx, endostyle

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13
Q

nervous system of Tunicates

A

neural tube

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15
Q

What specimen is this?

A

Tunicate

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15
Q

What subphylum is the Boney Fish a part of?

A

Vertebrata

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16
Q

skeletal system of Lamprey

A

cartilage skeleton

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17
Q

What subphylum does the Reptile belong to?

A

Vertebrata

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18
Q

What specimen is this?

A

Bird

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19
Q

circulatory system of Chordates

A

closed system

19
Q

method of locomotion for Branchiostoma

A

contract muscle

20
Q

What subphylum does Branchiostoma belong to?

A

Cephalochordata

21
List the distinguishing characteristics of class Mammalia
* mammary glands * hair * middle ear bones * sweat glands * temperature regulation * live birth * four-chambered heart
22
symmetry of Chordates
bilateral
22
digestive system of Branchiostoma
complete
23
What specimen is this?
Squalus (shark!)
23
What specimen is this?
Reptile
25
What class does Squalus belong to?
Chondrichthyes
26
rat dissection: ventral view
28
The specimen Tunicate is also known as a \_\_\_\_\_\_\_\_\_.
sea squirt
30
What class is the Boney Fish a part of?
Actinopterygii
31
What subphylum do Amphibians belong to?
Vertebrata
32
List the distinguishing characteristics of class Amphibia
* both gill and lung breathers * 3-chambered heart * fertilization may be internal or external * unable to regulate body temperature * none are true marine forms (generally related to freshwater)
34
What specimen is this?
boney fish
35
Name 4 distinguishing characteristics of class Chondricthyes
1. placoid scales 2. pectoral fins 3. possess a cartilaginous skeleton 4. eyes are on side of head
37
What class does Branchiostoma belong to?
Leptocardii
38
reproductive system of Lamprey
sexual
40
What subphylum does Tunicate belong to?
Urochordata
41
What class does Lamprey belong to?
Agnatha
42
List the distinguishing characteristics of class Reptilia
* waterproof skin covered in scales * ectothermic * most lay soft-shelled eggs
43
What subphylum does Lamprey belong to?
Vertebrata
44
method of locomotion for Lamprey
free-swimming: wave-like movement
45
What class does the Reptile belong to?
Reptilia
45
What class do birds belong to?
Aves
47
nervous system of Branchiostoma
nerve cord
48
Name 3 distinguishing characteristics of class Actinoptergyii
1. possess leptoid scales or ganoid scales 2. nostrils are not connected to mouth or gills 3. mouth and shape size are good indications of their feeding habits
49
What subphylum do mammals belong to?
Vertebrata
50
List the distinguishing characteristics of class Aves
* bipedal * waterproof skin covered in feathers * highly adapted for flight * hard-shelled eggs * forelimbs develop into wings
51
skeletal system of Branchiostoma
no true skeleton
52
What specimen is this?
Branchiostoma
53
What specimen is this?
Amphibian
54
reprodutive system of Tunicates
sexual reproduction, gonochoristic

Practical II (7 decks)

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