For example, if I want to earn the equivalent of $30 per hour for a 40 hour work week, but I can only bill 20 hours, I have to bill $60 per hour. I am still working 40 hours per week, but only 50% can be billed to a client so my billable rate doubles.
Tropisms. A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. In tropisms, this response is dependent on the direction of the species.The word tropism comes from the Greek trope (to turn or to change).ropisms. A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. In tropisms, this response is dependent on the direction of the species. The word tropism comes from the Greek trope (to turn or to change).
Viruses and other pathogens also affect what is called host tropism, tissue tropism, or cell tropism, or in which case tropism refers to the way in which different viruses/pathogens have evolved to preferentially target specific host species, specific tissue, or specific cell types within those species.