Explain why the process of endosymbiosis can be viewed as both an ancient event and a more recent event. What advantages could endosymbiosis give to both the endosymbiont and the host?
Answer to relevant QuestionsSummarize the evidence for endosymbiosis. How could the endosymbiotic hypothesis have originated before the era of molecular biology? How has molecular biology supported the theory? How might you combine SIP and NanoSIMS to identify novel methane-consuming cells in a natural community? How can a phylogenetic picture of a microbial community be obtained without culturing its inhabitants? Many pelagic prokaryotes can use light energy but are not considered “phototrophs” in the same sense as cyanobacteria or purple bacteria. Explain. Global warming has been suggested to result in reduced transfer of oxygen to deeper waters in the ocean. How might global warming also result in reduced nutrient availability to planktonic species in marine surface waters?
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