Pam and Jaquan are going to drive from New York to Los Angeles, where they will attend college, and they have decided to break the trip up into several shorter days of driving instead of trying to drive all the way without stopping. They plan to stop in Chicago, Denver, and Las Vegas, before reaching Los Angeles on the fourth day. If they are successful then Pam and Jaquan will reach their goal by having used the problem solving method of .

Journey stations were established throughout the mongol empire every miles.

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?

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