Human Evolution

Question 1

Changes that took place gradually in the development of humans

Answer 1

A shift of the foramen magnum to a forward position suggesting bipedalism.
The development of a more rounded skull.
An increased in cranium size ( which would mean an larger brain ).

Question 2

Reasons why humans have a flatter face:

Answer 2

A less sloping forehead
Less protruding jaws (decreased prognathous)
A more developed chin
A more rounded jaw
Increased size of skeleton (which would mean increased height)
A change in dentition towards the human dental formula of 2:1:2:3/2:1:2:3