Which of these statements concerning serfs in the feudal era is correct? a) they had more rights than peasants. b) many fought in service of their knights. c) some saved enough money to move to other lands. d) wealthy vassals often sold them to other vassals.

Apopulation is a group of individuals of a single species existing together in an area. a population’s range, the area it occupies, changes over time. populations, in turn, may form a network, or metapopulation, connected by individuals that move from one group to another. within a population, the distribution of individuals can be random, uniform, or clumped, and the distribution is determined in part by the availability of resources. how might the geographic range of a species change if populations could not exchange individuals with each other? how would your answer depend on what type of metapopulation existed?

Paleoanthropologists believe that the predominant diet of our earliest omnivorous ancestors consisted mostly of

Which of the following best describes how the articles of confederation divided government power?