Which of the following pairs are correctly matched? multiple choice

1. four stages of cognitive development—
2. james marcia four statuses of identity based on crisis and commitment—
3. erik erikson theory of eight psychosocial stages that characterize socioemotional development—
4. jean piaget

Which life stage is often defined by a feeling of having a set course in life and an established career?

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?

How did the growth of railroads american businesses expand