A large proportion of Americans now experiences the empty-nest syndromethe departure of adult children from the homeat an earlier age. Which of the following is a reason for this?
A) Most young adults now appreciate the benefits of staying in multigenerational households.
B) There has been a decline in the number of neolocal families due to unemployment.
C) The average age of the population has now significantly increased since the mid-1800s.
D) Women now tend to prolong child rearing by keeping huge age differences among children.
Question 2
Which of the following is a reason why sociobiological explanations of behavioral differences between males and females are controversial?
A) They assume that male and female behaviors will vary considerably across cultures.
B) They overlook the effect of evolution and genetic factors on human behavior.
C) There ignore thatpractically every behavior is influenced by socialization and culture.
D) They focus excessively on theeffect of imitation and reinforcement on social interaction.
Adult moths oviposit within stems of Solidago, forming (b) galls.
Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti
Scientists have demonstrated functional hair regeneration from adult stem cells
Large Munsterländer
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A small adult H. erectus from Olorgesailie, Kenya.