Lecture 10.2

Question 1

We are: order, family, genus, species?

Answer 1

Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo Sapiens

Question 2

There are more than ___ primates species

Answer 2

300

Question 3

new world monkeys are found in

Answer 3

south america

Question 4

brachiators are..

Answer 4

animals that swing beneath the branches of trees

Question 5

The strong tail in leaping lemurs helps to

Answer 5

propel them through the air

Question 6

Semibrachiating New world monkeys have a tail for use as

Answer 6

an extra digit - to hold on to branches

Question 7

Arboreal use all four limbs equally, unlike the …

Answer 7

new world monkeys

Question 8

Homonids do not have a..

Answer 8

tail

Question 9

Chimpanzees knuckle walk meaning they put their weight on the _____ aspect of their middle ______

Answer 9

Chimpanzees knuckle walk meaning they put their weight on the dorsal aspect of their middle phalanges

Question 10

The frankfurt horizontal is..

Answer 10

where the eye socket is looking straight

Question 11

The foramen magnum is

it is more _____in humans than apes

Answer 11

the hole in the base of the skull

it is more anterior in humans than apes

Question 12

the nuchal line(where the neck muscles originate) is ___placed in humans (its also smaller)

Answer 12

the nuchal line(where the neck muscles originate) is inferiorly placed in humans (its also smaller

Question 13

The vetrebral column is more ______ oriented in apes

Answer 13

The vetrebral column is more obliquely oriented in apes

Question 14

Deep to the trapezius there is a muscle in the apes that humans don’t have called

Answer 14

onus cervicalus

Question 15

The rhomboids start higher in ____

Answer 15

The rhomboids start higher in apes

Question 16

Basicranial flexion means the…

Answer 16

Basicranial flexion means the cranium sits on top of the facial skeleton in humans

Question 17

The thorax ribcage of a monkey is

Answer 17

deep and narrow

good for quadrupedal locomotion

(braod and wide in humans)

Question 18

The clavicle is ___ in quadrupeds

Answer 18

shorter

Question 19

Apes have a __ ribcage

why does that help?

Answer 19

wide

provide support for abdominal viscera, also provides attachment for muscles

Question 20

The shape of our ribs keeps our centre of ____ as close to the middle as possible

Answer 20

gravity

Question 21

The glenoid cavity in humans and apes faces outward, why is that important

Answer 21

allow the humerus to do a range of motion - including swinging in trees (laterally)

Question 22

True or false

All primates have a clavicle

Answer 22

true

Question 23

The shape of the thorax is ____ in chimpanzee

Answer 23

funnel shaped

humans are much more barrel shape

Question 24

Humans have __ribs - apes have ___

Answer 24

humans have 12 ribs - apes have 13

Question 25

The iliac blades are ____ in apes

Answer 25

The iliac blades are longer in apes

Question 26

The pelvis is positioned more _____ in humans than apes

Answer 26

The blades are positioned more laterally in humans than apes

Question 27

there is only a _ shaped curve in the apes

Answer 27

C -shaped curve - no secondary curvatures

Question 28

What are the numbers for apes and humans?

cervical

thoracic

lumbar

sacral

coccygeal

Answer 28

cervical:
Apes: 7
Human:7

thoracic:
Apes: 13
Human: 12

lumbar:
Apes: 3
Human: 5

sacral:
Apes: 6
Human: 5

coccygeal:
Apes: 3-4
Human: 4

Question 29

Dens of C2 ____ angled in apes and monkeys

Answer 29

dorsally angled

Question 30

Spinous processes of cervical vertebrae ___, ending in large ____

Answer 30

Spinous processes of cervical vertebrae long, ending in large knobs