A biofilm is any group of microorganisms in which cells stick to each other and often also to a surface. These adherent cells become embedded within a slimy extracellular matrix that is composed of extracellular polymeric substances (EPS).
Career Requirements. Kindergarten teachers in public schools are required to have at least a bachelor's degree in education and teacher certification for the state in which they work. Certification typically requires candidates to complete student teaching requirements and pass any required professional exams.
Primary language instruction is provided (1) for kindergarten through grade six, at a minimum, in language arts (including reading and writing) and in mathematics, science, or social science; or (2) for grades seven through twelve, at a minimum, in two academic subjects required for grade promotion or graduation.