First homework

species	earliest and latest date (where known)	continent/country	earliest date of discovery	skull size in cc	height in cm
Afustralopithecus afarensis	3,2 millios B.P	Ethiopia	1974	400 cc	90-120 cm
australopithecus africanus	2 million B.P	South Africa	1924	485 cc	107 cm
Homo habillis	7million-100,000 B.P	Great rift valley(africa)	1962-1964	650 cc	104 cm
Homo erectus	200,000-900,000 B.P	Indonesia	1891	900 cc	1,4 m
Homo sapien (archaic)	200,000-500,000 B.P	Australia	1972	1200 cc	150 cm
Homo sapiens	130,000 B.P	Germany	1856	1450 cc	150 cm
Homo sapien modern	75,000-115,000 B.P	South Africa	1967	1400 cc	157 cm

1: Based on the evidence available in the 1860s on which continent did our ancestors originate? Why? 1856, because this was the first skull found.

2: Based on the evidence available from 1890s our ancestors originated from Indonesia, because the skulls found there were older than the ones found in Germany.

3:  Based on the evidence available from 1930s our ancestors originated from South Africa, because the skulls found there were older than the ones found in Germany and Indonesia.

4: Other ways of identifying the older skulls are by observing the height and size of the skull. The smaller the skull the older it is. The higher they were the more modern they were.