All bacteria are bad for you.

What do bacteria do in the soil?

These are small, round structures found throughout the body, such as in the neck. They filter bodily fluids and trap and destroy any invading germs before they can enter the blood.

When it is clean, healthy, and unbroken, this acts as a barrier against invading organisms.

This is a sticky, gooey substance found in the nose and along our respiratory tract.

If it can be passed from one organism to another, it is contagious.

A germ is a microorganism that can make a person sick.

A person who asks questions, makes observations, and investigates ideas in order to acquire knowledge and/or solve problems is called a ______.

Who is the first infected person in a population?

What mode of transmission is from mosquitoes transmitting malaria?

What is the group in an experiment whose purpose is to use for comparison?

Which town experienced a large outbreak of the flu last?

During the month of December, all students in one of the towns learned how to take precautions to prevent the spread of the flu. In which town does it appear that all students were taught about flu prevention?