A high degree of specialization of labor:
a. Is characteristic of all human societies.
b. Occurs more among horticulturalists than pastoralists.
c. Is unrelated to the food-getting strategy of a group.
d. Exists only in industrialized societies.
e. Tends to correlate with high population and agricultural intensification.
Question 2
One critical economic difference between a firm and a household is:
a. Firms look for profit in their cash transactions, households rarely do.
b. Firms have no obligations to the communities in which they are found; households have many.
c. Firms may grow with relative ease, but the structure of households limits their growth.
d. Firms may expand their size through hiring new members but the membership of a household is fixed.
e. Firms usually behave in a manner that is economically rational, households rarely do.
A possible scenario for human evolution
The structure of the human ear.
Human impacts and the built environment
The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Each enzyme functions best within a characteristic range of pH