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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
Q

List the distinguishing characteristics of class Mammalia

A
  • mammary glands
  • hair
  • middle ear bones
  • sweat glands
  • temperature regulation
  • live birth
  • four-chambered heart
22
Q

symmetry of Chordates

22
Q

digestive system of Branchiostoma

23
Q

What specimen is this?

A

Squalus (shark!)

23
Q

What specimen is this?

25
Q

What class does Squalus belong to?

A

Chondrichthyes

26
Q
A

rat dissection: ventral view

28
Q

The specimen Tunicate is also known as a _________.

A

sea squirt

30
Q

What class is the Boney Fish a part of?

A

Actinopterygii

31
Q

What subphylum do Amphibians belong to?

A

Vertebrata

32
Q

List the distinguishing characteristics of class Amphibia

A
  • 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
Q

What specimen is this?

A

boney fish

35
Q

Name 4 distinguishing characteristics of class Chondricthyes

A
  1. placoid scales
  2. pectoral fins
  3. possess a cartilaginous skeleton
  4. eyes are on side of head
37
Q

What class does Branchiostoma belong to?

A

Leptocardii

38
Q

reproductive system of Lamprey

40
Q

What subphylum does Tunicate belong to?

A

Urochordata

41
Q

What class does Lamprey belong to?

42
Q

List the distinguishing characteristics of class Reptilia

A
  • waterproof skin covered in scales
  • ectothermic
  • most lay soft-shelled eggs
43
Q

What subphylum does Lamprey belong to?

A

Vertebrata

44
Q

method of locomotion for Lamprey

A

free-swimming: wave-like movement

45
Q

What class does the Reptile belong to?

45
Q

What class do birds belong to?

47
Q

nervous system of Branchiostoma

A

nerve cord

48
Q

Name 3 distinguishing characteristics of class Actinoptergyii

A
  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
Q

What subphylum do mammals belong to?

A

Vertebrata

50
Q

List the distinguishing characteristics of class Aves

A
  • bipedal
  • waterproof skin covered in feathers
  • highly adapted for flight
  • hard-shelled eggs
  • forelimbs develop into wings
51
Q

skeletal system of Branchiostoma

A

no true skeleton

52
Q

What specimen is this?

A

Branchiostoma

53
Q

What specimen is this?

54
Q

reprodutive system of Tunicates

A

sexual reproduction, gonochoristic

Practical II (7 decks)

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