During a time of dramatic climate change 200,000 years ago, Homo sapiens evolved in Africa. Like other early humans that were living at this time, they gathered and hunted food, and evolved behaviors that helped them respond to the challenges of survival in unstable environments.nlike every other human species, Homo sapiens does not have a true type specimen. In other words, there is not a particular Homo sapiens individual that researchers recognize as being the specimen that gave Homo sapiens its name.
Surveyors in California earned the most in 2011, reporting an average annual salary of $82,370. Nevada ranked second at $73,180 per year, followed by Alaska at $73,100, Massachusetts at $70,920 and Delaware at $70,360.
The Bureau of Labor Statistics (BLS) shows how ultrasmart such a choice could be: 1  The mean annual wage for sonographers nationwide as of May, 2014 was $68,390. 2  Sonographers working in outpatient care centers earned mean annual wages of $72,930. 3  California sonographers earned mean annual wages as of May, 2014 of $89,870.