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The theory of endosymbiosis.
Member rating: No Rating | Words: | Submitted: Mon Sep 15 2003
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The theory of endosymbiosis (Endo Within, Symbiosis Living together! ) I am going to analyze the theory of endosymbiosis over the next few pages. I am going to give arguments for and against so I can make a reliable conclusion. First of all I am going to give some information about the theory of endosymbiosis. According to the theory of endosymbiosis, billions of years ago mitochondria and chloroplasts were free-living bacteria (prokaryotes) which somehow became part of an early cell. The primitive Earth did not have oxygen in its atmosphere so these early cells must have been able to survive with out oxygen. However, oxygen gradually oxygen built up in the atmosphere and it is possible that some bacteria evolved which were able to use oxygen for respiration (aerobic bacteria). According to the theory, an aerobic bacterium became engulfed by an anarobic amoeba-like bacterium, and the amoeba-like bacterium navigated through the newly...
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