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.
Communication Skills: Kindergarten teachers must be able to speak clearly to students, other teachers, parents and administration officials. Instruction Skills: Teachers will have to explain new ideas and unfamiliar concepts with authority and in a clear and concise way so that students can understand.