When I first studied hominin evolution, they had found "Lucy", an Australopithecus afarensis, and everyone thought her species was an early ancestor of Homo sapien. The picture is much more complicated, with lots of hominins living in close proximity for millions of years...much different than our now singular species. Look at the phylogenetic tree and use it as a guide to briefly describe hominin lines in Africa up to Homo. Do not discuss Homo.Just discuss a sense that you generally can grasp what was going on in Africa with our Genus for 6 or 7 million years!

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Chapter12: Processes Of Evolution
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When I first studied hominin evolution, they had found "Lucy", an Australopithecus afarensis, and everyone thought her species was an early ancestor of Homo sapien. The picture is much more complicated, with lots of hominins living in close proximity for millions of years...much different than our now singular species.

Look at the phylogenetic tree and use it as a guide to briefly describe hominin lines in Africa up to Homo. Do not discuss Homo.Just discuss a sense that you generally can grasp what was going on in Africa with our Genus for 6 or 7 million years! 

▶ Figure 8-37
Atentative early hominin phylogeny.
Note the numerous question marks,
indicating continuing uncertainty
regarding evolutionary relationships.
0 mya
1 mya
2 mya
3 mya
4 mya
5 mya
6 mya
7 mya
8 mya
H. erectus
Homo habilis
???
A. sediba
Orrorin
A. africanus
A. afarensis
Paranthropus
Australopithecus
anamensis
Sahelanthropus
Ardipithecus
Cengage Leaming
students of human evolution, it's most important to grasp the basic principles of
paleoanthropology and how interpretations are made and why they sometimes must
be revised. This way you'll be prepared for whatever shows up tomorrow.
Transcribed Image Text:▶ Figure 8-37 Atentative early hominin phylogeny. Note the numerous question marks, indicating continuing uncertainty regarding evolutionary relationships. 0 mya 1 mya 2 mya 3 mya 4 mya 5 mya 6 mya 7 mya 8 mya H. erectus Homo habilis ??? A. sediba Orrorin A. africanus A. afarensis Paranthropus Australopithecus anamensis Sahelanthropus Ardipithecus Cengage Leaming students of human evolution, it's most important to grasp the basic principles of paleoanthropology and how interpretations are made and why they sometimes must be revised. This way you'll be prepared for whatever shows up tomorrow.
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