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Human - Wikipedia


Modern humans are the only extant members of Hominina tribe (or human tribe), a branch of ... Social interactions between humans have established an extremely wide variety ..... a long-standing sour...

How long have humans been on earth? | Reference.com


Modern humans have existed for roughly 200000 years. The species to which humans belong, Homo sapiens, is the only species of human alive today.

How Long Have Humans Been On Earth? - Universe Today


Jan 26, 2006 ... While our ancestors have been around for about six million years, the modern form of humans only evolved about 200000 years ago. ... Next came Paranthropus, which existed between about one million and three million ...

www.ask.com/youtube?q=How Long Have Humans Existed?&v=Ve969_F71KI
Jan 15, 2015 ... Within the history of everything we know from the Big Bang to this moment, where do humans fit in? Click here to see more videos: ...

For How Long Have We Been Human? : 13.7: Cosmos And Culture ...


Sep 13, 2012 ... Around 12,000: Onset of agriculture and human settlements. Up until this period, all human groups lived by hunting and gathering.

How long have humans existed on Earth? - Quora


Too long - no seriousy probably about 5 million years but it depends what you define as human. For example would Autralapithicus (forgive my spelling) be ...

If the Earth is 4.5 billion years old, and humans have only been ...


A lot of people have covered the timeline. We do not know -- for a fact -- that no other intelligent ... 4.5 billion years is a long time. Around 3000 of those .... Edit: The question used to suggest that humans have existed for "a few thousand years.

How Long Have Humans Dominated the Planet? - Scientific American


Dec 6, 2013 ... A call goes out for a new global effort to puzzle out humanity's ecological history over the last 50000 years or more.

Why is there only one human species? - BBC News - BBC.com


Jun 23, 2011 ... Several human species have evolved on Earth so why did only ours ... Not so very long ago, we shared this planet with several other species of human, ... is that all the different species of human that have ever existed were ...