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 _____
same type of writing or research or that every assignment, even from the same teacher, will be the same. Make sure you understand exactly what your instructor wants you to write about and how he/she wants that information presented. (Length, format, citation style, etc.)