What are symptoms?

What are diseases caused by?

What are communicable diseases?

What are non-communicable diseases?

What is an example of a communicable disease?

What is an example of a non-communicable disease?

What is an example of helpful bacteria?

What type of organisms are fungi and protists?

What fungi is single-celled?

When can bacteria, fungi, & protist reproduce?

What is special about viruses?

How do viruses reproduce?

What is a pathogen?

How quickly does bacteria divide in ideal conditions?

Why does the rate @ which bacteria reproduce begin to decline & eventually stop?

How do pathogens cause symptoms of disease?

What is the incubation period?