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.
Requirements for Kindergarten Teachers. Kindergarten teachers generally need at least a bachelor's degree in order to qualify to teach in a public school. Early childhood education programs cover the various styles and techniques, such as play and interactive activities, used to teach young children.