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 _____
A weak match occurs when two voter records have either: (1) the same nine numbers in the persons social security number and the same date of birth, or (2) the last four numbers in the social security number match and the same date of birth. In a weak match, there does not have to be a match on a voters name.