Week 3 Discussion: Energy for Life / Energy Reactions and Processes
In your primary post, please write a response of at least 125 words to one (1) of the following three (3) bulleted options. In addition, please make a substantive reply to a fellow student on any topic.
Discussion Topic 1. The phytoplankton that brought Earth to life. Review the video (Johnson, 2014) about the “phytoplankton that brought Earth to life” from the link given below, or from the link in the Instructor’s Insights area. This clip is under 5 minutes in length. In this video, Penny Chisholm discusses her interest in a tiny phytoplankton called Prochlorococcus. Based on that video, please address the following:
Discussion Topic 2. Characteristics of ATP. If you choose this topic for your primary post, you must base your post on the instructor’s video about ATP (Cox, 2015). The video can be found in the Instructor Insights area.
Discussion Topic 3. Chemosynthesis in the Giant Tubeworm. The Giant Tubeworm (Riftia pachyptila) is an animal that lives on the floor of the ocean, near hydrothermal vents that release very hot, chemical-rich water. In that environment, there is no sunlight, and nothing to eat. Yet these animals are able to get enough energy to live and grow (Deep Marine Sciences, 2015; JKM12988, 2016; Kusek, 2007).
References
Cox, J. F. (2015). Four minutes about ATP. . Please see “Instructor’s Insights” area for Week 3.
Deep Marine Scenes. (2013). Facts: Giant Tube Worms. [Video]. Retrieved from
JKM12988. (2016, December 5). Giant Tube Worms and symbiotic bacteria. [Video]. Retrieved from
Johnson, R. (2014, March 5) The phytoplankton that brought Earth to life. PBS Newshour. Public Broadcasting System. Retrieved from http://video.pbs.org/video/2365193451/
Kusek, K. M. (2007, January 12). Deep-sea tubeworms get versatile ‘inside’ help. Oceanus Magazine. Retrieved from http://www.whoi.edu/oceanus/feature/deep-sea-tubew…
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