1. Microbes that cause diseases such as cholera, pneumonia, gonorrhea, diphtheria, pertussis and tetanus. 2. Microbes that cannot live without being in the body of another organism. 3. These microbes cause diseases like mumps, measles and chicken pox. 4. Plant-like organisms that multiply and infect those with poor personal hygiene. 5. Single-celled organisms that live in soil and water and cause diseases such as malaria. mpare your answers with those in the Answer Key on page 34.​