Which of these cultural features is closely associated with class stratification?

The earliest writing systems are about __________ years old.

What is one of the major consequences of horticulture?

How did early evolutionists tend to think of Western cultures?

Which type of subsistence strategy has been practiced at one time in almost all areas of the earth?

In general, the borrowing of __________ from another language is much more common than the borrowing of __________.

A __________ is a group of people who occupy a particular territory and speak a common language.

Children learn spoken language at __________.

Animal systems, such as sound or odor, represent __________ but not __________.

Most archaeologists believe that the __________ was one of the earliest centers of plant and animal domestication.