1. Microorganisms

2. What is a microorganism?
You can’t see them with just your eyes!
Protists (Amoeba)
Bacteria
Virus
Fungus
Tiny Animals

3. Where can we find microorganisms?
Scientists have found them living just about everywhere!
In SOIL
In WATER
In AIR
In PLANTS
On Rocks
In HUMANS and other ANIMALS

4. In Fact!
There are more than 100,000,000,000,000 microbes living in each of us!

5. Almost 3 microbes for every 1 human cell!
Check This Out!
100,000,000,000,000 microbes in you
37,200,000,000,000 cells in our bodies
Almost 3 microbes for every 1 human cell!

6. Are Microorganisms Good?
Some good things about Microbes....
Help plants get the nutrients they need
Help us digest food!
Microbes defend us from other microbes

7. Are Microorganisms Bad?
Some microbes can make us sick.
They can cause diseases and infections!
Strep Throat Bacteria
Flu Virus

8. What about microbes found in lakes and rivers?
Are any microbes good?
No Atmosphere?
No Oxygen?
Algae
Bacteria
Boiling Water?
Water
Flea

11. What about microbes found in lakes and rivers?
Are any microbes bad?
Naegleria
Blue – Green
Algae
Beaver Fever

12. Let’s Use A Microscope!

13. How do we use it?