Evolution by natural selection works directly on , transforming __________
a. alleles, phenotypes
b. individuals, populations
c. populations, genotypes
d. DNA, individuals
Answer b
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Climate changes had a profound impact on the hominin way of life. In southwestern Europe, for example,
A. the melting of the ice sheets with the end of the Würm glacial period caused animal diversity to drop, challenging hominins to shift their diets from meat to coarse grasses. B. hominins began a sedentary life after the end of the Würm glacial period, forming the first villages in human history. C. hominins turned to a more specialized diet based on big-game meat after the glacial retreat. D. the melting of the ice sheets with the end of the Würm glacial period gradually lured big game farther north, pressuring hominins to use a greater variety of foods. E. hominins were forced to migrate northward during the Würm glacial interval.
In Melanesia, mana was a sacred force that could reside in people, animals, plants, and objects.
Answer the following statement true (T) or false (F)
Compared to the australopiths, early Homo had larger cheek teeth and a larger cranial capacity.
Answer the following statement true (T) or false (F)
While they say they would prefer a "love marriage," why do many South Asian immigrants in the United States and the United Kingdom ultimately have an arranged marriage?
A) They prefer to meet and marry someone of their own religious or ethnic background. B) Many parents threaten to disown their children if they refuse an arranged marriage. C) Arranged marriages allow them to maintain their citizenship in their home countries. D) The economic outcomes of arranged marriages are much higher than in love marriages.