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 are usually named for the stimulus involved and may be either positive (towards the stimulus) or negative (away from the stimulus). Phototropism. Phototropism is the growth response of a plant in response to light direction. Different parts of a plant exhibit different reactions to light.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).
Tropisms are usually named for the stimulus involved (for example, a phototropism is a reaction to sunlight) and may be either positive (towards the stimulus) or negative (away from the stimulus). Tropisms are typically associated with plants (although not necessarily restricted to them).