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Microorganisms and their effect on living things 1.1 Classification of microorganisms Manniseh Yakun
Microorganisms are small living things that can only be seen through microscope Microorganisms can be found anywhere on earth Some microorganism are useful to human, some are harmful Can be classified into Size Shape Method of reproduction Nutrition Habitat
Classification of microorganisms
Bacteria
Bacteria Size 0.5 – 10 μm, unicellular Shape Do not have true nucleus, have no nuclear membrane Coccus, bacillus, vibro, spirillum
Bacteria Method of reproduction Asexual reproduction trough binary fission Nutrition Parasites, saprophytes or autotrop to obtain nutrient
Bacteria Habitat Water Air Soil Plants Animals
Viruses
Viruses Size Smallest microorganisms, seen using electron miroscope 0.02-0.4 μm Shape Don’t have cytoplasm, nucleus and membrane cell The body covered with protein capsule
Viruses Method of reproduction Don’t show the living characteristic No breathing, eating and excreting  But go through reproduction process in living cell (host) by duplicating
Duplicating process of virus
Viruses Nutrition Parasites causing disease Not eat, but using nutrient to duplicates (replication) Habitat Living cells
Fungi
Fungi Size 10-100μm Can seen using magnifying glass or light microscope.  Shape Plant that have cell wall and nuclei but don’t have root stem and leaves
Fungi Method of reproduction-asexual Spore formation Budding process
Fungi Nutrition Saprophytes – enzymes secretes to digest organic substance and absorbed through their hyphae Parasites  - obtain food from living organism Habitat Dark and damp
Protozoa
Protozoa Size	- 	Unicellular 5-250 μm Shape Aquatic organism single cell Have nucleus and cytoplasm covered with cell membrane Have cilia to move
Protozoa Method of reproduction Amoeba and Paramecium – binary fission (asexual)  Paramecium – Conjugation ( Sexual)
Protozoa Nutrition Saprophytes – Amoeba and Paramecium Parasites – Plasmodium (cause malaria) Habitat Aquatic habitats Damp places, living cells
Algae
Algae Size 1- 10000μm Seaweeds can seen with naked eyes Shape Like plant cell, cellulose cell wall, nucleus, cytoplasm, chloroplast Don’t have stem, roots and true leaves
Algae Method of reproduction Asexual reproduction by binary fission Sexual reproduction through conjugation as spirogyra Nutrition Have chlorophyll undergoes photosynthesis, autotrops, producer in food chain Habitat Damps area and receive sunlight
Complete this table….

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1.1 Microorganisms

  • 1. Microorganisms and their effect on living things 1.1 Classification of microorganisms Manniseh Yakun
  • 2. Microorganisms are small living things that can only be seen through microscope Microorganisms can be found anywhere on earth Some microorganism are useful to human, some are harmful Can be classified into Size Shape Method of reproduction Nutrition Habitat
  • 5. Bacteria Size 0.5 – 10 μm, unicellular Shape Do not have true nucleus, have no nuclear membrane Coccus, bacillus, vibro, spirillum
  • 6. Bacteria Method of reproduction Asexual reproduction trough binary fission Nutrition Parasites, saprophytes or autotrop to obtain nutrient
  • 7. Bacteria Habitat Water Air Soil Plants Animals
  • 9. Viruses Size Smallest microorganisms, seen using electron miroscope 0.02-0.4 μm Shape Don’t have cytoplasm, nucleus and membrane cell The body covered with protein capsule
  • 10. Viruses Method of reproduction Don’t show the living characteristic No breathing, eating and excreting But go through reproduction process in living cell (host) by duplicating
  • 12. Viruses Nutrition Parasites causing disease Not eat, but using nutrient to duplicates (replication) Habitat Living cells
  • 13. Fungi
  • 14. Fungi Size 10-100μm Can seen using magnifying glass or light microscope. Shape Plant that have cell wall and nuclei but don’t have root stem and leaves
  • 15. Fungi Method of reproduction-asexual Spore formation Budding process
  • 16. Fungi Nutrition Saprophytes – enzymes secretes to digest organic substance and absorbed through their hyphae Parasites - obtain food from living organism Habitat Dark and damp
  • 18. Protozoa Size - Unicellular 5-250 μm Shape Aquatic organism single cell Have nucleus and cytoplasm covered with cell membrane Have cilia to move
  • 19. Protozoa Method of reproduction Amoeba and Paramecium – binary fission (asexual) Paramecium – Conjugation ( Sexual)
  • 20. Protozoa Nutrition Saprophytes – Amoeba and Paramecium Parasites – Plasmodium (cause malaria) Habitat Aquatic habitats Damp places, living cells
  • 21. Algae
  • 22. Algae Size 1- 10000μm Seaweeds can seen with naked eyes Shape Like plant cell, cellulose cell wall, nucleus, cytoplasm, chloroplast Don’t have stem, roots and true leaves
  • 23. Algae Method of reproduction Asexual reproduction by binary fission Sexual reproduction through conjugation as spirogyra Nutrition Have chlorophyll undergoes photosynthesis, autotrops, producer in food chain Habitat Damps area and receive sunlight