39. Equal status, shared goals, group interaction, and authority supporting the group are all part of what hypothesis

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

He chart shows the 112th u.s. congress (2011–2012). based on the information in the chart, if the independents in the senate chose to vote with the republicans in the senate, the republicans would

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?