Recent DNA analysis of Australian aborigines has revealed that their ancestors branched off from ancestral Europeans and Asians 70,000 to 50,000 years ago. This research indicates
A. aborigines developed a dark skin color independently from Africans.
B. Australian aborigines are direct descendants of the first modern humans to leave Africa.
C. aboriginal Australians have a more recent population history than Europeans.
D. aborigines maintained regular contact with people from other continents.
E. ancestral aborigines had cultural but not genetic isolation.
Answer: B
You might also like to view...
A single-celled organism with a nucleus is an example of a __________
a. prokaryote b. eukaryote
Which of the following statements is true of the current state of Americanist archaeology?
a. The "New Archaeology" of the 1960s has for the most part been uncritically accepted by nearly all Americanist archaeologists, and currently dominates archaeological thought. b. Americanist archaeology is today very diverse, representing many different theoretical perspectives; there is no single, defining, dominating trend. c. Whatever public interest and involvement that archaeology once experienced has dramatically diminished; archaeology as a discipline is at the risk of extinction. d. Archaeology today, as it was throughout the entire history of Americanist archaeology, is heavily dominated by white males, with virtually no involvement by woman and other minorities. e. A single defining trend dominates archaeology today.
Fundamental belief about what is important, true, or beautiful, and what makes a good life.
What will be an ideal response?
Which of the following is true of endocasts?
a. They are impressions left on the interior of a fossil cranium. b. They only provide information about the cerebellum. c. They can only be made through CT scanning. d. They provide excellent information about the structure of the modern human brain.