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From Wikipedia, the free encyclopedia

Anatomically modern human (AMH) or early modern human in paleoanthropology refers to early individuals of Homo sapiens with an appearance similar to that of modern humans. Anatomically modern humans evolved from archaic Homo sapiens in the Middle Paleolithic, about 200,000 years ago. The emergence of anatomically modern human marks the dawn of the subspecies Homo sapiens sapiens, i.e. the subspecies of Homo sapiens that includes all modern humans. The oldest fossil remains of anatomically modern humans are the Omo remains that date to 195,000 years ago. Other fossils include Homo sapiens idaltu from Herto in Ethiopia that are 150kya and remains from Skhul in Israel that are 90,000 years old.



Anatomical comparison of the Skulls of anatomically modern humans (left) and Homo neanderthalensis (right).

Anatomically modern humans are distinguished from their immediate ancestors, archaic homo sapiens, by a number of anatomical features. Archaic homo sapiens had robust skeletons, indicating that they lived a physically demanding life; this may mean that anatomically modern humans, with their more gracile frames, had become more dependent on technology than on raw physical power to meet the challenges of their environment. Archaic homo sapiens also had very prominent brow ridges (protruding layers of bone above the eye socket). With the emergence of anatomically modern humans, the brow ridges had significantly reduced, and in modern humans they are, on average, barely visible. Another distinguishing feature of AMH is a prominent chin, something which is lacking in archaic homo sapiens.

AMH also have a vertical forehead whereas their predecessors had foreheads that sloped backwards.[1] According to Desmond Morris, the vertical forehead in humans not only houses larger brains, but the prominent forehead plays an important role in human communication through eyebrow movements and forehead skin wrinkling.[2]

Early modern humans

Skhul V exhibiting a mix of archaic and modern traits

The Omo, Hertho, Skhul and Jebel Qafzeh remains are sometimes referred to as "Early Modern Humans" because their skeletal remains exhibit a mix of archaic and modern traits. Skhul V for example, has prominent brow ridges and a projecting face. However the brain case of Skhul V is distinct from that of the Neanderthals and is similar to the brain case of modern humans.

In Europe, the early modern humans were the Cro-Magnon.

Origins of modern humans

As it is usually presented, there are two major competing models on this subject - Recent African origin and Multiregional evolution. The debate concerns both the relative amount of replacement or interbreeding which occurred in areas outside of Africa, when waves of humans (or human ancestors) left it to colonize other areas, and the relative importance of more recent waves as opposed to more ancient ones.

The mainstream view, known as the recent African origin model, holds that all or nearly all modern human genetic diversity around the world can be traced back to the first anatomically modern humans to leave Africa. This model is supported by multiple and independent lines of evidence, such as the fossil record and genetics.

Historically, critics of this view are often bracketed together as holding a "multiregional hypothesis" which has waned in popularity since the early 1990s. Such critics argue that significant amounts of older non-African genetic lineages have survived in various parts of the world through inter-breeding with anatomically modern humans. According to strong versions of the multiregional model the various human populations around the world today will have surviving genetic material which goes back even as far as early hominids such as homo erectus. More commonly, admixture with much later archaic homo sapiens, such as Neanderthals is proposed. While proponents of Out of Africa theory cannot rule out admixture between humans of sub-Saharan African origin and all archaic homo sapiens,[3] several recent studies on the Neanderthal's genome indicate that humans and Neanderthals failed to produce crossprogeny capable of effectively reproducing (i.e. they either failed to interbreed or the progeny they produced did not survive or reproduce well)[4].

In practice, controversy is generally about specific periods and specific proposals for periods of such interbreeding. The existence and importance of these waves out of Africa is generally accepted, while the possibility of at least a small level of inter-breeding between recent sub-Saharan arrivals and their less 'modern' contemporaries at various stages of prehistory is not particularly controversial.

Modern human behavior

There is considerable debate regarding whether the earliest anatomically modern humans behaved similarly to recent or existing humans. Modern human behaviors characteristic of recent humans include fully modern language, the capacity for abstract thought and the use of symbolism to express cultural creativity. There are two opposing hypotheses regarding the origins of modern behavior. Some scholars argue that humans achieved anatomical modernity first, around 200kya, and only later did they adopt modern behaviors around 50kya. This hypothesis is based on the limited record of fossils from periods before 50kya and the abundance of human artifacts found after 50kya. Proponents of this view distinguish "anatomically modern humans" from "behaviorally modern humans".[5]

The opposing view is that humans achieved anatomical and behavioral modernity simultaneously. For example, proponents of this view argue that humans had evolved a lightly built skeleton during the transition to anatomical modernity, and this could have only occurred through increased human cooperation and the increased use of technology, traits characteristic of modern behavior.[citation needed]

See also


  1. ^ "Encarta, Human Evolution". Archived from the original on 2009-10-31. 
  2. ^ Desmond Morris (2007). "The Brow". The Naked Woman: A Study of the Female Body. ISBN 0312338538.,M1. 
  3. ^ Campbell MC, Tishkoff SA. (2008). "African genetic diversity: implications for human demographic history, modern human origins, and complex disease mapping.". Annu Rev Genomics Hum Genet. 9: 403-33. PMID 18593304. 
  4. ^ Pennisi E. (2009). "NEANDERTAL GENOMICS: Tales of a Prehistoric Human Genome". Science 323 (5916): 866 - 871. doi:10.1126/science.323.5916.866. PMID 19213888. 
  5. ^ Mellars, Paul (2006). "Why did modern human populations disperse from Africa ca. 60,000 years ago?". Proceedings of the National Academy of Sciences 103: 9381. doi:10.1073/pnas.0510792103. PMID 16772383. 

External links


Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary



Latin homo man + sapiens wise

Proper noun

Wikipedia has an article on:


Homo sapiens sapiens

  1. a taxonomic subspecies, within genus Homo - modern man
Wikispecies has information on:



Up to date as of January 23, 2010

From Wikispecies

Homo sapiens sapiens


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Mammalia
Subclassis: Theria
Infraclassis: Placentalia
Ordo: Primates
Subordo: Haplorrhini
Infraordo: Simiiformes
Parvordo: Catarrhini
Superfamilia: Hominoidea
Familia: Hominidae
Subfamilia: Homininae
Tribus: Hominini
Subtribus: Hominina
Genus: Homo
Species: Homo sapiens
Subspecies: Homo sapiens sapiens


Homo sapiens sapiens Linnaeus, 1758


  • Pan sapiens sapiens

Vernacular names

Afrikaans: Mens
العربية: إنسان
Aragonés: Sers umans
Arpetan: Humen
Asturianu: Humanos
Bahasa Indonesia: Manusia
Bahasa Melayu: Manusia
বাংলা: মানুষ
be: Muntu
Bosanski: Čovjek
Brezhoneg: Den
Български: Човек
Català: Humà
Чӑвашла: Тăнлă çын
Česky: Člověk
Српски / Srpski: Човек
Dansk: Menneske
Deutsch: Mensch
ཇོང་ཁ: Omo dapeonz
Eesti: Inimene
Ελληνικά: Άνθρωπος
English: Human
Español: Humano
Esperanto: Homo
Euskara: Gizakia
فارسی: انسان
Français: Humain
Frysk: Minske
Gaeilge: Duine
Galego: Ser humano
한국어: 사람(아종)
हिन्दी: मनुष्य/मानव
Hrvatski: Suvremeni čovjek
Ido: Homo
Interlingua: Esser human
ᐃᓄᒃᑎᑐᑦ/inuktitut: Inuk
Иронау: Адæймаг
Íslenska: Maður
Italiano: Uomo
עברית: האדם הנבון
Kernowek: Tus
Kiswahili: Binadamu
Kreyòl ayisyen: Lòm
Kurdî / كوردی: Mirov
Latina: Homo
Latviešu: Cilvēks
Lietuvių: Žmogus
Limburgs: Mins
Lingála: Moto
Lojban: remna
Magyar: Ember
Македонски: Човек
മലയാളം: മനുഷ്യന്‍
Malti: bniedem
Nāhuatl: Tlācatl
Nederlands: Mens
日本語: ヒト
‪Norsk (bokmål)‬: Menneske
‪Norsk (nynorsk)‬: Menneske
Plattdüütsch: Minsch
Polski: Człowiek rozumny
Português: Humano
Română: Om
Runa Simi: Runa
Русский: Человек разумный
Shqip: Njeriu
Sicilianu: Umanu
Slovenčina: Človek rozumný
Slovenščina: Misleči človek
Srpskohrvatski / Српскохрватски: Čovjek
Suomi: Ihminen
Svenska: Människa
Tagalog: Tao
தமிழ்: மனிதன்
ไทย: มนุษย์
Tiếng Việt: Loài người
Türkçe: Farkındalığının farkında olan insan , Akıllı akıllı insan
Українська: Людина
اردو: انسان
Uyghurche‎ / ئۇيغۇرچە: ئىنساننىڭ
West-Vlams: Mens
ייִדיש: מענטש
中文: 人

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