Understand what makes up an ecosystem, microbiome, guild and population. Be able to list the physical characteristics of an ecosystem that impact the nature of the microbiome present in that ecosystem. Be aware of the process of bioremediation and the role that microbes play in this process. Understand the environmental impact of mining and the nature of the organisms that thrive in these pollute environments. Be aware of the role of microorganisms in the major biogeochemical cycles. Focus on the carbon and nitrogen cycles. Understand the role of primary producers and the biochemical process that allows for carbon fixation. Understand the role of decomposers in completion of the carbon cycle..