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Biology Of Mammals > Skeleton/Muscles > Flashcards

Skeleton/Muscles Flashcards

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1
Q

What is the pelvis like in ceteans?

A

Vestigial. No locomotive function.

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1
Q

What is the autopodium?

A

Distant part of limb: hand or foot

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2
Q

How many bones are in more therians pectoral girdle?

A

2

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2
Q

What are somatic muscles?

A

Skeletal, voluntary

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3
Q

Where the pelvic girdle fused?

A

Ischiopubic symohysis

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3
Q

What is the variation of the manus and pes based on?

A

Locomotion type

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4
Q

What are nonsomatic muscles?

A

Visceral (cardiac), involuntary

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5
Q

Which species have strong clavicles?

A

Squirrels

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5
Q

What is the pes?

A

Foot or hind foot

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7
Q

How many cervial vertebrae are there?

A

7

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7
Q

What is the Hallux?

A

Big toe

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9
Q

How many thoracic vertebrae are there?

A

12-15

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10
Q

Where are the thoracic vertebrae?

A

In the chest

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11
Q

Which animals have less cervical vertebrae?

A

Sloths and manatees

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12
Q

What makes up the appenidcular skeleton?

A

Girdles, limbs, hands, feet, pelvis

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13
Q

What is the propodium?

A

Upper limb

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14
Q

What does the structure of the cervial vertebrae allow?

A

The skull to idependently move both vertically and horizontally

15
Q

What is the manus?

A

Hand or forefoot

17
Q

How man caudal vertebrae are there?

A

3-5

18
Q

How many lumbar vertebrae are there?

A

4-7

18
Q

What is the epipodium?

A

Lower limb

19
Q

How is the pelvic girdle joint?

A

Sacroiliac joint

20
Q

How many sacral vertebrae are there?

A

3-5

21
Q

Which pectoral bone is reduced or lost in cursorial animals?

A

Clavicle

22
Q

Which are the first cervical vertebrates behind the back of the skull?

A

Atlas and axis

23
Q

How many pairs of ribs do whales have?

A

9

25
Q

How is the pectoral girdle joint?

A

Sling appendicular muscles

26
Q

What is the pollex?

A

Thumb

28
Q

What makes up the axial skeleton?

A

Skull, vertebrae, ribs, sternum

29
Q

Which bones are in the epipodium?

A

Radius, ulna, tibia and fibula

31
Q

How many pairs of ribs do sloths have?

A

24

32
Q

How many digits is the ancestral number?

A

5

33
Q

What is the name of the hominoid caudal?

A

Coccyx

34
Q

What is the average number of pairs of ribs?

A

12

35
Q

Which bones are in the propodium?

A

Humerus and femur

36
Q

Where are the lumbar vertebrae located?

A

Bottom of the back

37
Q

Which 3 bones are in the pelvic girdle?

A

Ilium, Ischium, Pubis

38
Q

What is the main adaptation of the skull for?

A

Foraging

39
Q

What are the 2 bones in the pectoral girdle?

A

Scapula and clavicle

40
Q

What does the fusion of caudal vertebrae create?

A

Tail

Biology Of Mammals (13 decks)

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