Microorganism and their effect of living things

2. ALGAE
PROTOZOA
BACTERIA
FUNGI
VIRUS

3. BACTERIA

4. SIMPLE STRUCTURE OF BACTERIA
DRAW AND LABLE
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5. SIZE OF BACTERIA
0.2 μm – 10 μm
( 1 μm = 0.001 mm)

6. SHAPE OF
BACTERIA

7. PARASITIC
MODES OF
NUTRITION
SAPROPHYTIC
AUTOTROPHIC

8. RESPIRATION
AEROBIC
ANAEROBIC

9. ASEXUAL
BINARY
FISSION
REPRODUCTION
SEXUAL
CONJUGATION

11. Bacteria
CHARACTERISTICS
EXPLANATION
1. SIZE
0.2 μm – 10 μm
( 1 μm = 0.001 mm)
2. SHAPE
coccus
bacillus
Spirilla
Vibrio
3. MODES OF NUTRITION
Autotrophic, Saprophytic and Parasitic
4. HABITAT
Air, Water, Soil, Food, Bodies of other organisms
5. RESPIRATION
Aerobic and anaerobic respiration
6. REPRODUCTION
Asexual (binary fission) and Sexual (Conjugation)

12. FUNGI
Do not have
chlorophyll
Some are unicellular
such as yeast
Some are
multicellular such as
mucor

13. General structure

14. SIZE OF FUNGI
10 μm – 100 μm
( 1 μm = 0.001 mm)

15. NETWORK OF
FILAMENT
SHAPE
SPHERICAL

16. PARASITIC
SAPROPHYTIC
MODES OF
NUTRITION
SAPROPHYTIC
PARASITIC

17. Spore
formation
ASEXUAL
Budding
REPRODUCTION
SEXUAL
CONJUGATION

18. Fungi
CHARACTERISTICS
EXPLANATION
1. SIZE
10 μm – 100 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
Network of filament
3. MODES OF NUTRITION
Saprophytic and Parasitic
4. HABITAT
Dark and damp places include decaying matter and
bodies of living organisms
5. REPRODUCTION
Asexual (Budding, Spore formation) and Sexual
(Conjugation)

19. PROTOZOA

20. SIZE OF PROTOZOA
5 μm – 250 μm
( 1 μm = 0.001 mm)

21. HABITAT

22. PARASITIC
MODES OF
NUTRITION
SAPROPHYTIC

23. ASEXUAL
BINARY
FISSION
REPRODUCTION
SEXUAL
CONJUGATION

24. Protozoa
CHARACTERISTICS
EXPLANATION
1. SIZE
5 μm – 250 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
Spindle-shaped
Irregular-shaped
3. MODES OF NUTRITION
Saprophytic and Parasitic
4. HABITAT
Aquatic habitats (pond, drains, river and sea), Damp
place, bodies of living organisms
5. REPRODUCTION
Asexual (binary fission) and Sexual (Conjugation)

25. ALGAE

26. Algae
CHARACTERISTICS
EXPLANATION
1. SIZE
1 μm – 100 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
Oval-shaped
filamentous
3. MODES OF NUTRITION
Autotrophic
4. HABITAT
Aquatic habitats (pond, drains, river and sea), Damp
place
5. REPRODUCTION
Asexual (binary fission, fragmentation, spore
formation) and Sexual (Conjugation)

27. VIRUS

28. VIRUS
•
•
•
•
The smallest microorganisms
Do not have cellular organisation
Do not show characteristics of living cells
Do not have cytoplasm, plasma membrane and
nucleus
• Can be crystallised
• Do not feed, respire, excrete or grow
• Made up of nucleic acids (DNA) enclosed by
protein coat

29. Virus
CHARACTERISTICS
EXPLANATION
1. SIZE
0.02 μm – 0.4 μm
( 1 μm = 0.001 mm)
2. SHAPE
Spherical
rod-shaped
cubic
3. MODES OF NUTRITION
Virus do not feed
4. HABITAT
Live in living host cells, form crystals outside a living
cell

30. Microorganisms growth factors

31. Digestion
of food
Decomposition
Process
Medicine
Useful microorganisms
Agriculture
Detergent
Food
industry