In a system of unilineal descent:
a. The grandfather is recognized as the only father.
b. Descent groups, which include relatives from both the father's and the mother's side, are formed.
c. A household is composed of a man, his wife, his sons, and their children.
d. A man is not allowed to marry his cousin.
e. An individual belongs to the descent group of either the mother or the father, but not both.
E
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Chimpanzees and humans share what percentage of DNA similarity?
a. 90 b. 95 c. 97 d. 98
Steatite is ________.
A. a fine-grained rock with a dull, dark bluish-gray color that tends to split along parallel cleavage planes, often producing thin plates or sheets B. a common heavy mineral that is the principal ore of lead C. a variety of talc with a soapy or greasy feel, often used to make containers or carved ornaments D. a dull-colored, subtranslucent rock resembling flint that was often used for making flaked stone tools
The skull fragment and thigh bone found by Dubois were not found to be the same age
Indicate whether the statement is true or false
If the biological foundations of human behavior explains why we are alike in fundamental ways, what is the major factor in explaining the variation in customs and values found among human groups?
A) different hormonal levels B) genetic variation C) differences in socialization D) physiological differences E) none of the above