Discussion2 Biology, “Phytoplankton, Chemosynthesis, and Mitochondria”

For your primary post, please respond to one of the following three topics with a post of at least 125 words that addresses each point given in the instructions. Also, please reply to at least one fellow student on any topic.

Topic 1 : The phytoplankton that brought Earth to life. Review the video (1)* about the “phytoplankton that brought Earth to life” from the link given below. In this clip, which is under 5 minutes in length, Penny Chisholm discusses a tiny phytoplankton called Prochlorococcus. Based on that video, please address the following:

(a) What is the importance of Prochlorococcus for life on the planet Earth, both historically and in the present day? (b) In the video, Dr. Chisholm tells us that Prochlorococcus samples from different environments are genetically different. What does this tell us about the relationships between organisms

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