The first colonists of the New World
A. probably crossed the Pacific in reed boats.
B. were Homo neanderthalensis.
C. are difficult to recognize archaeologically because they probably had only bone and wood tools.
D. probably followed big game across Beringia from Siberia.
E. were escaping from the Neolithic revolution in the Old World.
D
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According to John Hartigan's research, racial categories in Mexico are based on __________
A. genetic differences B. skin color C. nationalist traditions D. the concept of hypodescent
When countries react to a real or perceived threat of foreign cultural dominance by purging foreign words from the language, it is an example of:
a. cultural conservatism. b. linguistic ethnocentrism. c. linguistic parochialism. d. linguistic nationalism. e. ethnolinguistics.
Animals with a nerve cord along the back and gill slits during some developmental stage are called which of the following?
a. insects b. invertebrates c. chordates d. metazoans e. underdeveloped
When Mendel crossed plants and considered two traits simultaneously (e.g. height and seed color in peas), what proportion of the F2 generation offspring expressed both recessive phenotypes?
a. 9/16 b. 8/16 c. 12/16 d. 3/16 e. 1/16