8.5

8.5 The Impact of Microorganisms on Life

Types of Microorganisms Spirogyra sp. Microorganism Characteristics Bacteria ,[object Object],[object Object],[object Object],Algae ,[object Object],[object Object],[object Object],[object Object]

Yeast Mucor sp. Euglena sp. Amoeba sp. Paramecium sp. Microorganism Characteristics Fungi ,[object Object],[object Object],[object Object],[object Object],[object Object],Protozoa ,[object Object],[object Object],[object Object],[object Object]

Tobacco mosaic virus Human papilloma virus T4 bacteriophage Microorganism Characteristics Viruses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Abiotic Components Affecting Microorganisms ,[object Object],[object Object],[object Object],[object Object],[object Object]

Abiotic component Effect to microorganism Nutrients or water ,[object Object],[object Object],pH ,[object Object],[object Object],Temperature ,[object Object],[object Object],[object Object],[object Object],Light intensity ,[object Object],[object Object],[object Object]

The Role of USEFUL Microorganisms in the Ecosystem Useful microorganism Role Decomposers ,[object Object],[object Object],[object Object],Protozoa in alimentary canal of termites ,[object Object],Symbiotic bacteria found in human colon - Synthesize vit B12, vit K Denitrifying bacteria - Nitrogen fixing bacteria : convert atmospheric nitrogen to a form that can be used by plants. - Useful in Nitrogen cycle.

The Effect of Harmful Microorganisms ,[object Object],[object Object],[object Object],[object Object]

Transmission of Diseases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Uses of Microorganisms in Biotechnology ,[object Object]

Appreciating Biodiversity ,[object Object]

8.5

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