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How many races of homosapien in the world?

Race is considered to be a cultural construct. Most anthropologists consider all variations of humans not to be distinctive enough to be considered a different species. All modern humans are Homo sapiens .


What are sub-areas of biological anthropology?

Sub-areas of biological anthropology include primatology, human variation, forensics, paleoanthropology, and bioarchaeology. Each subfield focuses on a different aspect of human biology, evolution, and adaptation.


How do people in North Africa differ from people in the sub-Sahara?

North Africans are usually of Arabian descent, and because of the saharan desert, there is a huge culture difference in the two areas. North Africa does not have the epidemics/ diseases, and issues that Sub- saharan Africa does, because they do not have the same type of government. There is a lot more technology and education in North Africa, while Sub- Saharan Africa is more tribal.


Are there any sub-species of human beings?

No. All extant humans are of the species Homo sapiens. The variation in modern human DNA is very small (about 0.1%) compared to other species, which suggests that all modern humans descend from a small group that lived about 100,000 years ago. No modern human group has been classified as a sub-species. However, H. neanderthalensis is sometimes classified as a sub species of H. sapiens (H. sapiens neanderthalensis).Several species of humans existed in the past. H. erectus spread out of Africa and into Europe and Asia almost 2 million years ago, long before modern humans evolved from a common ancestor in Africa around 200,000 years ago. H. erectus eventually evolved into other species, such as H. antecessor, H. heidelbergensisand H. neanderthalensis. Modern humans who migrated out of Africa around 70,000 years ago coexisted with H. neanderthalensis and other sister species and my have shared habitat with them for long periods of time. These sister species were extinct by about 33,000 years ago.


Number of human races?

Just one - the race from rapid growth after we're born, to a steady decline in our later years, where the last one standing, loses. We are all one race genetically - differing less than one tenth of one percent from orang-utangs or oranges, yet we are as diverse as sand grains on a beach (actually, most coral beaches are made from the anal excretions of parrotfish, and comprise crunched-up coral with the nourishment extracted...), and that's before we get into the differences between genders. From a male point of view, each female is so different from us as to be another species, which leaves around half the world's population as unique examples of another race. So if women think the same about us, we become one race, with as many different sub species as there are people on this planet.

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