4. Most distant human ancestor
Sahelanthropus tchadensis
7 million years ago
Most distant human ancestor
2001 Chad

6. Walked on two feet (biped), lived in groups, cared for young
Australopithecus afarensis - Lucy
3 million years ago
Walked on two feet (biped), lived in groups, cared for young

8. Hadar, Ethiopia

9. “Jack-of-all-trades”, Stones tools, Eats meat, Bigger brain, Had ideas
Homo Habilis
2 million years ago
“Jack-of-all-trades”, Stones tools, Eats meat, Bigger brain, Had ideas

11. Chad
Lucy
Habilis

12. Homo Ergaster 1.5 million years ago
Good cooling system –Sweat gland, Less hair, Large brain, Better stone tools, Communicate by voice, Interpret their environment well, Able to read others emotions, Visible white of their eyes.

13. Chad
Lucy
Habilis
Ergaster

14. First Hominid to leave Africa and move into Europe and Asia
Homo Erectus
1.5 million years ago
First Hominid to leave Africa and move into Europe and Asia

15. Lucy
Habilis
Erectus

16. Homo erectus fossils

17. Homo heidelbergensis 500,000 year ago
Large brains may have given rise to Homo neanderthalensis and Homo sapiens
Fossils found from Africa to northern Europe

18. Homo heidelbergensis

19. It is believed 40% of our DNA is Neanderthal in origin.
Homo neanderthalensis
500,000 year ago
Very tough, lived in extreme conditions as glaciers left Europe after ice age.
It is believed 40% of our DNA is Neanderthal in origin.

20. Homo neanderthalensis

21. Neanderthal fossil first found : Engis, Belgium 1829

22. Homo Sapien Omo, Ethiopia 1967
175,000 years ago

23. Brow ridge disappears as skull shapes changes to accommodate larger brain.
Homo sapien
Neanderthal

28. wind
DRY
Rift Valley

29. winds
Desert
Rift Valley
Rain Forest
Savanna
WHY ?