1. The Good and Bad of Microorganisms
Question Packet

2. 1 - What is a Microorganism?
*A microorganism is a living thing that can only be seen with the aid of magnification.

3. 2- All microorganisms are ________ ___________ or ______________
living things or organisms

4. 3- Explain what unicellular or single-celled means.
Single-celled means any living thing that has only one cell, the smallest unit of life.

5. 4- Some microorganisms are ____, living things that make their own _____ from simple substances usually using ___, as plants do.
Some microorganisms are PRODUCERS, living things that make their own FOOD from simple substances usually using SUNLIGHT, as plants do.

6. 5- Most microorganisms do not cause _________ and many are ___________.
DISEASE
HELPFUL

7. 6- How are Microorganisms classified?
Microorganisms are classified by the microorganisms' shape, structure, how they get food, where they live and how they move.

8. 7- What are the microorganisms we are studying in this unit?
Bacteria, Fungi, and Protists

9. 8- Give the definition of bacteria.
Bacteria are microscopic, single-celled organisms that exist all around you and inside
you.

10. 9- How do we depend on bacteria?
We depend on bacteria to help in the digestion of food, for plant growth, and to help us make foods and medicines.

11. 10- _____, bacteria and fungi feeding on breaking down plant matter.
DECOMPOSERS

12. 11- When bacteria break down the ____ _____, they release substances that can be used by other _____ in the ______.
When bacteria break down the DEAD ORGANISMS, they release substances that can be used by other ORGANISMS in the ECOSYSTEM.

13. 12- Where in our bodies do bacteria always live?
Bacteria are found in digestive systems and help digest food.

14. 13 – What foods have bacteria?
YOGURT AND CHEESE

15. Bacteria are the smallest ________.
MICROORGANISMS

16. 15 – What is required to see bacteria?
To see bacteria as a single organism, requires a microscope with very high magnification.

17. 16 – Bacteria live in ___ ___ ___ ____ _____.
Bacteria live in almost every place on Earth.

18. 17- Scientists can ____, grow microorganisms in a specially prepared ______ ________.
Scientists can CULTURE, grow microorganisms in a specially prepared NUTRIENT MEDIUM.

19. 18- WHAT ARE FUNGI?
Fungi are organisms that are neither plant nor animal, yet have characteristics of both, and absorb food from whatever source they are growing on.

20. 19- A COMMON FUNGUS IS A_______.
MUSHROOM

21. Mushrooms cannot make THEIR OWN FOOD and must live on a FOOD SOURCE.
20- Mushrooms cannot make _____ _____ _____ and must live on a _____ _____.
Mushrooms cannot make THEIR OWN FOOD and must live on a FOOD SOURCE.

22. 21- What is another type of fungus?
Another fungus, yeast, is used to make bread rise and give it flavor.

23. 22-Fungi like ____ ____ places to grow.
WARM MOIST

24. 23- Protozoans are____________.
Protozoans are microscopic organisms that usually live in water.

25. 24- Protozoans move through the water with tiny _____ _____ ____ ____.
Protozoans move through the water with tiny HAIR-LIKE ARMS CALLED CILIA.

26. 25- Protozoans eat ___ and _________.
Protozoans eat BACTERIA and MOLD.

27. 26-Why is it not a good idea to drink water from a stream?
Streams sometimes contain a protozoan called Giardia that can make you sick.

28. Algae are _________.
Algae are a type of protist that usually live in water and can produce their own food.

29. 28- List the colors that algae can be.
Algae can be red, brown, yellow or green.

30. 29- Algae can grow up to ________.
60 meters

31. 30- Algae is an important part ____ ____ _____ _____.
Algae are an important part OF THE OCEAN’S ECOSYSTEM

32. 31- ALGAE PROVIDE FOOD FOR ______________.
fish, whales
and many other sea animals.

33. 32- WHAT PROVIDE HALF OF THE OXYGEN ON EARTH?
Phytoplankton

34. Thank you, thank you very much!
Love those microbes!