What are three stages of early development?

well if it's the graph of your world hitory book then:

stage 1 stage 2 stage 3

1. australopithecines 4. homo erectus 7. homo sapiens

2. 3 to4 million years 5. 1.5 million 8. 250,000 years

ago. ago. ago.

3. Africa. 6. they left Africa and moved into European Asia

9. Neardentals in

Europe and

Southwest Asia.

Homo Sapiens

Sapiens in Africa