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).
1 Tropism â growth in response to a stimulus. 2  Positive tropism â towards the stimulus. 3  Negative tropism â away from the stimulus. 4  Phototropism â growth in response to the direction of light.here are different types of tropisms: Positive phototropism in plant stems. 1  Tropism â growth in response to a stimulus. 2  Positive tropism â towards the stimulus.