Evolution Flashcards
1
Q
Fossil remains
A
show that there has been a gradual change in the size of our jaws + number of teeth.
2
Q
The jaw
A
is getting smaller + third incisor + premolar have disappeared
3
Q
In evolutionary terms
A
it can be assumed that eventually the third molar + second premolar will disappear
4
Q
Reduction in jaw size and number of teeth
A
do not occur at the same time so crowding has occurred more frequently
5
Q
Also
A
this can attributed to our soft diet which has led to a decrease in function of the masticatory anatomy