A worker at age 65 receiving a gold watch at retirement is an example of _____
a. the waning physical and mental strength of the elderly
b. the allocation of tasks by age
c. negative reciprocity
d. gender specialization
e. productive distribution of resources
ANSWER:
b
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Identify a true statement about the socially constructed concept of race.
A. It is defined as a population, or group of populations, within a species that has defining as well as measurable biological characteristics. B. It is based on a group of populations that has an Fst of at least 0.25. C. It is analyzed by excluding human traits such as cranial structure and body shape. D. It is defined as a set of ethnic factors that combine with easily perceived morphological traits to create an artificial, "biologized" category.
The oasis theory argues that:
a. people congregated in fertile and well-watered areas where agriculture had already begun b. increased rainfall contributed to the need to begin planting crops and herding in areas that were arid c. drought created a need for people to congregate in limited areas and begin collecting grass seed d. herding and cultivation began in areas where irrigation could be established
Although avunculocal residence is rare, nearly all avunculocal societies are __________.
A) matrilineal B) ambilineal C) bilineal D) patrilineal
The example of the sickle-cell allele demonstrates a key aspect of evolution through natural selection, in that
A. although natural selection usually acts upon the phenotype, it can sometimes act upon the genotype. B. human populations in the tropics are the most susceptible to random changes caused by natural selection. C. adaptation and fitness are in relation to specific environments; traits are not universally adaptive or maladaptive. D. adaptation and fitness are in relation to the individual organism, not the general population. E. natural selection increases the variety in a population upon which subsequent natural selective processes can act.