Transcript nicole simple oragamisms

Why do Scientist study
bacteria?
Nicole Hamlett
Miss 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. Buttermilk
2. Yogurt
3. 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.
Questions
1. 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.