Plants grow naturally towards the strongest source of light, this is called phototropism. They do this in order to maximise their exposure to the sun and increase the amount of photosysnthesis (and therefore growth). This is a survival mechansim.
researcher will either use random assignment or matching What do random assignment and matching have in common? They are both designed to create equivalent groups of participants. Random assignment is to random selection as _____ is to _____
Rank - Aluminum. Thanks. The problem is to design metrics for a taxonomy we have created. Presently, Orthogonality (Extent of overlap between different branches) is measured by having an expert, judge and quantify the number of overlaps and expressing the same in as a ratio to the total no. branches. February 16, 2011 at 2:45 pm #168850.