Retrieved from Microsoft ClipArtPhotosRetrieved from Microsoft ClipArt

Link directly to the page where you will find these photos!
(Proper citations as well)


How does E. coli interact with other organisms?

       E. coli forms a mutualistic relationship with its host organism.  This means that both gain a Retrieved from Microsoft ClipArtfitness benefit from one another.  In fact, E. coli is actually an essential organism to the human body.  E. coli is a crucial microflora organism in the human that helps with the absorption of Vitamin K and other important vitamins for the human body in the colon.  E. coli receives a beneficial advantage from its host in that it provides a safe, protected environment and it receives the proper nutrients for proper growth and function.

     However, it is difficult to vie for those nutrients when you are one of billions of bacteria of 300 hundred species, let alone those of the same species!  As stated in the habitat section, E. coli has evolved to utilize nutrients found in lower concentrations, making them more likely to be able to find the proper nutrients and be more of a competition to other organisms.

Retrieved from: (Link To) 

An Aggregation of E. coli

Photo from a Public Domain, Retrieved from Wikimedia Commons 

      As you may have guessed, E. coli has a HUGE impact on humans when it comes to diseases, mostly E. coli O157:H7.  Please visit Pathology to learn a lot more about the adverse effects this seemingly organism has on the body.

Retrieved from Microsoft ClipArt 


Back to Home Page

Back to Organismal Biology Websites

Questions or Comments: Contact Justine Moder

ŠApril 2008