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How do microorganisms interact with their environment and modify each other?

Topic

Systems

Framing Question

How do microorganisms interact with their environment and modify each other?

Learning Objectives

  • List two factors that limit growth in a batch culture.
  • Define the term eutrophication.
  • Choose a perturbation to a novel environment, and predict the change to the resident microbial community.
  • Explain how the presence of a microorganism elicits a cellular or humoral immune response.
  • Discuss an example of host-parasite (e.g., human and microbes, bacteria and phage, etc.) coevolution.
  • Describe how fermentative bacteria in sourdough (or other foods) change their environment, and how that affects the initial community.
  • Explain why the presence of nitrogen-fixing bacteria is often required to support other growth in a diverse ecosystem.

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