I think you're using the term "desire" in a far too literal manner. The organism...

		JacksonGariety on Oct 23, 2013 \| parent \| context \| favorite \| on: Dr. Arjun Srinivasan: We’ve Reached “The End of An... I think you're using the term "desire" in a far too literal manner. The organism of the bacterium doesn't have desire the way humans do, but the idea of a virus or manifestation of bacteria can have a figurative desire to evolve and grow.