Review the video about the “phytoplankton that brought Earth to life” found at: https://youtu.be/m_43nR11PW8. In this clip, Penny Chisholm discusses a tiny phytoplankton called Prochlorococcus. Based on that video, address the following:

In the video, Dr. Chisholm tells us that Prochlorococcus samples from different environments that are genetically different. Discuss what this tells us about the relationship between organisms and their environments.
What do you think is the most interesting or significant aspect of Prochlorococcus?