Two essay question: Explain the value of land acquisitions from the early 1800s. You need to know where those areas are located. You also need to know why those areas are important today. Assess the fairness of the United States’ treatment of other countries when acquiring land in the early 1800s. Be prepared to provide evidence to back-up your opinion.

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?