1. Which is the earliest species of hominin to be found outside of Africa? 2. List...

1. Which is the earliest species of hominin to be found outside of Africa?

2. List a couple features of "archaic" Homo sapiens, as compared to Homo erectus

3. List a couple features of "archaic" Homo sapiens, as compared to modern humans.

4. What two groups of people made an appearance around 150,000 years ago

Expert Solution

1.The oldest known human skeletal remains outside of Africa are from Dmanisi, Georgia (Dmanisi skull 4), and are dated to 1.8 Ma. These remains are classified as Homo erectus georgicus.

2.

Homo erectus is the most long-lived species of Homo, having survived for almost two million years. By contrast, Homo sapiens emerged about a third of a million years ago.
H. erectus may have been the earliest human relative to have controlled fire.

3.

Archaic humans had a brain size averaging 1,200 to 1,400 cubic centimeters, which overlaps with the range of modern humans.
Archaics are distinguished from anatomically modern humans by having a thick skull, prominent supraorbital ridges (brow ridges) and the lack of a prominent chin.

4. Nonetheless, according to recent genetic studies, modern humans may have bred with "at least two groups" of ancient humans: Neanderthals and Denisovans.

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gladiator answered 8 months ago

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