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.
Get information about online training programs to become a preschool teacher. Read about program requirements, course... Preschool Teacher: Job Duties & Requirements. Preschool teachers play a vital role in the development of children. Find out the basic education and skills required. Get... How to Become a Certified Preschool Teacher