In this activity (p.3-4 of PDF), learners learn about disease transmission and antibiotic resistance. In this activity, an educator shows what could happen if one learner has not washed his/her hands properly before lunch and becomes ill as a result. The educator uses beans to illustrate both disease transmission and the development of antibiotic resistant bacteria. Use this activity to discuss the importance of proper hygiene, disease transmission, and both natural and artificial selection.