While walking, a biped must always balance its weight __________
a. on two legs
b. on one leg
c. by shifting its weight directly above the leg on the ground
d. by swinging its arms
Answer b
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How might bipedalism be adaptive for maintaining a stable body temperature?
A) It cools the body by reducing the overall surface area. B) It warms the body by placing the head closer to the sun. C) It helps to cool the body by limiting the surface area directly exposed to the sun. D) It helps to warm the body by increasing the surface area of the back.
Divorces are more difficult to get in patrilineal systems than matrilineal systems because __________
a. children are linked to their mothers by birth b. children are linked by fathers to their lineage, but by birth to their mothers c. men are less likely to desire divorces d. women can draw on the support of their patrilineage to resist a divorce
In the study of students who viewed videotaped gestures, __________ interpreted them correctly
a. 100 percent b. 23 percent c. 0 percent d. 50 percent
Women’s roles must always be compatible with pregnancy, breast feeding, and childcare
Indicate whether the statement is true or false.