Among the Old World monkeys, the subfamily Colobinae specializes in the eating of:
A. insects
B. leaves
C. hard fruits
D. small mammals and reptiles
B. leaves
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Directional selection works to reduce genetic variation by removing maladaptive traits from the gene pool
Indicate whether the statement is true or false.
The decline of child labor as reported in 2006 was sharpest in __________
a. Asia b. Sub-Saharan Africa c. Latin America d. the Caribbean
A principal criticism of world-systems theory is that it tends to overemphasize the importance of __________
A. economic factors B. cultural traditions C. political institutions D. religious ideology
One aspect of linguistic history is language loss. When a language disappears,
A. less strain is put on the educational system, because it has less language diversity to deal with. B. cultural diversity is reduced as well. C. humanity is that much closer to global integration. D. so does pride in one's heritage. E. historical linguists have confirmation that language is also a victim of evolutionary forces.