Why do Scientist study bacteria?

Nicole HamlettMiss Brown

12/1/08

Bacteriology

• The study of bacteria is bacteriology.• Pasteur proved that bacteria causes many

diseases.• Pasteur is often called the father of

bacteriology.

• Louis Pasteur

Bacteria and Food

• Bacteria in the digestive tract can help digest nutrients.

• Your digestive tract contains billions of bacteria that help digest nutrients.

• Many food products are made with the help of bacteria.

1. Buttermilk2. Yogurt3. Cheese

Bacteria and soil

• The plant disease that causes flowers, young, leaves, and stem to die quickly is blight.

• Bacteria breaks down dead materials such as leaves and animals waste.

• Its important because it puts important nutrients back into the soil.

Bacterial Diseases

• Bacteria can also cause disease in animals including humans.

• The symptoms of Lyme disease include swollen and pain joints.

• It makes plants sick.

Bacteria and food delay

• It can spoil food.• Eating foods that contain bacterial poisons

can make you sick.• There are many ways that you can get

sick by bacteria and many ways you can kill bacteria.

• Because some food needs to be cold if the food isn't cold it could rot.

Questions1. The study of bacteria is called ________.2. Bacteria in the digestive tract can help

digest _______.3. Bacteria that can change nitrogen from the

air into compounds that plants can use are called______.

4. The plant disease that causes flowers, young, leaves, and stems to die quickly is_________.

5. Some bacteria produce______ while acting on foods.