What is silent trade?
a. Trade in which there is no fixed value associated with the goods being exchanged
b. Trade in which the partners never know each other's identity
c. Trade in which the items being exchanged are not known in advance (one accepts whatever is offered)
d. Trade in which the partners have no face-to-face contact
e. Trade in which no goods are exchanged — only services
d
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A small, diurnal primate with effective leaping abilities called __________ may have emerged around the time New World and Old World primate ancestors diverged
A. Apidium B. Proconsul C. Victoriapithecus D. Sivapithecus
Compared with paleoanthropologists, archaeologists are more concerned with
recovering intact a. features. b. fossils. c. ecofacts. d. artifacts.
The yield per person per unit of land is known as the population density
Indicate whether the statement is true or false
Amicable behaviors that promote group cohesion are called _______ behaviors
a. ?affiliative b. cultural c. philopatric d. autonomic e. ritualized