1
Q
Paleozoic era sequence early to modern
A
Silurian
Devonian
Carboniferous
Permian
2
Q
Eras sequesnce old to new
A
Paleozoic
Mesozoic
Coenozoic
3
Q
Mesozoic era sequence early to modern
A
Triassic
Jurassic
Cretaceous
4
Q
Coenozoic era sequence early to modern
A
Tertiary
Quartenary
5
Q
Homo erectus brain capacity
A
900 cc
6
Q
Homo habilis brain capacity
A
600-850 cc
7
Q
Neanderthal man brain cap.
A
1400 cc
