Lesson 5.1

Question 1

Foramen Magnum

Answer 1

Bipeds - centre of skull
Quads - back of skull

Question 2

Prognathism

Answer 2

Jaw jutting
Bipeds. Decreased for balence
Quads have high prognathism

Question 3

Spine

Answer 3

Bipeds. S shaped curve keeps centre of gravity above pelvis
Quads. Straight spine

Question 4

Pelvis

Answer 4

Bipeds. Bowl shaped, supports organs. Broad short ilia very angled
Quads. Flat and tall, very long ilia

Question 5

Legs of bipeds

Answer 5

Bipeds. Long
Angled inward
More knee extention
Quads. Shorter
Less angled and extenstion

Question 6

Feet

Answer 6

Biped. Big big toe and convergent
Double arch
Big heel for shock absorbance
No grasping
Quads. Divergent toe
Grasping
Singular arch

Question 7

Disadvantage to bipdalism

Answer 7

Varicose veins
Difficult childbirth
Hernias
Lower back pain

Question 8

Why be bipedal

Answer 8

Carrying
Long distance walking
Hunting
Gathering
Reaching high trees food
Visual surveilance
Male provisioning
Thermoregulation to keep cool