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Biol 108 > Chordate Shared Derived Traits > Flashcards

Chordate Shared Derived Traits Flashcards

1
Q

Notochord

A

Chordate

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2
Q

Dorsal, hollow nerve cord

A

Chordate

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3
Q

Pharyngeal slits or clefts

A

Chordate

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4
Q

Muscular post-anal tail

A

Chordate

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5
Q

Vertebral Column

A

Vertebrate

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6
Q

Elaborate braincase enclosing the brain

A

Vertebrate

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7
Q

Two or more sets of Hox genes

A

Vertebrate

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8
Q

Neural crest cells develop along the edges of the neural tube of embryos

A

Vertebrate

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9
Q

Dorsal, anal, and tail fins stiffened by fin rays along the centreline of the fish

A

Vertebrate

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10
Q

Modified (complex) circulatory system

A

Vertebrate

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11
Q

Opposing jaws that open and close the mouth forcefully

A

Gnathostome

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12
Q

Mineralization of the skeleton, including mineralization of the teeth

A

Gnathostome

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13
Q

Two pairs of lateral appendages

A

Gnathostome

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14
Q

Genome duplication, including duplication of Hox genes

A

Gnathostome

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15
Q

Enlarged forebrain (enhanced smell and vision)

A

Gnathostome

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16
Q

Lateral line system

A

Gnathostome

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17
Q

Lungs or lung derivatives

A

Osteichthyan (bony fish)

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18
Q

Operculum

A

Osteichthyan (bony fish)

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19
Q

Maneuverable fins

A

Osteichthyan (bony fish)

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20
Q

Four limbs with feet with digits

A

Tetrapod

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21
Q

Neck that allows separate movement of the head

A

Tetrapod

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22
Q

Fusion of the pelvic girdle to the backbone

A

Tetrapod

23
Q

Absence of gills

A

Tetrapod

24
Q

Ears

A

Tetrapod

25
Q

Amniotic egg

A

Amniote

26
Q

Internal fertilization via an intromittent organ

A

Amniote

27
Q

Direct development into terrestrial form

A

Amniote

28
Q

Wings with keratin feathers

A

Bird

29
Q

Lightweight hollow bones

A

Bird

30
Q

Beaks that lack teeth

A

Bird

31
Q

Digestive systems adapted for flight

A

Bird

32
Q

Reduced organs

A

Bird

33
Q

Endothermic

A

Bird

34
Q

Four chambered heart and complex respiratory system

A

Bird

35
Q

Mammary glands

A

Mammal

36
Q

Hair or fur covering the body

A

Mammal

37
Q

Three middle ear bones

A

Mammal

38
Q

Endothermic

A

Mammal

39
Q

Dentary-squamosal jaw joint

A

Mammal

40
Q

Differentiated teeth

A

Mammal

41
Q

Larger brains

A

Mammal

42
Q

Viviparous development of embryo

A

Marsupial and Eutherian

43
Q

Placenta

A

Marsupial and Eutherian

44
Q

Post birth nursing on milk from nipples

A

Marsupial and Eutherian

45
Q

Complex placenta

A

Eutherian

46
Q

Hands and feet adapted for grasping

A

Primate

47
Q

Large brains and short jaws

A

Primate

48
Q

Forward looking eyes

A

Primate

49
Q

Complex social behaviour and parental care

A

Primate

50
Q

Upright posture and bipedal locomotion

A

Human

51
Q

Larger brains capable of language

A

Human

52
Q

Reduced jawbone and jaw muscles

A

Human

53
Q

Shorter digestive tract

A

Human

Biol 108 (1 decks)

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