IB Biology - Topic F.2 - Microbes and the Environment PPT

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60.25 MB   |   40 pages

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This powerpoint presentation covers Option F.2 (Microbes and the Environment) in the IB Biology curriculum. Each slide is labelled with the specific learning objective and animation/video links are provided in the slide notes.

The slides are formatted to print well for handouts or revision and I can provide a pdf version upon request.

As always, please let me know if you have any suggestions for improvements. These are always a work in progress!


**IB Biology Learning Objectives

F.2.1 – List the roles of microbes in ecosystems, including producers, nitrogen fixers and decomposers.

F.2.2 – Draw and label a diagram of the nitrogen cycle.

F.2.3 – State the roles of Rhizobium, Azotobacter, Nitrosomonas, Nitrobacter and Pseudomonas denitrificans in the nitrogen cycle.

F.2.4 – Outline the conditions that favour denitrification and nitrification.

F.2.5 – Explain the consequences of releasing raw sewage and nitrate fertilizer into rivers.

F.2.6 – Outline the role of saprotrophic bacteria in the treatment of sewage using trickling filter beds and reed bed systems.

F.2.7 – State that biomass can be used as raw material for the production of fuels such as methane and ethanol

F.2.8 – Explain the principles involved in the generation of methane from biomass, including the conditions needed, organisms involved and the basic chemical reactions that occur.
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40
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IB Biology - Topic F.2 - Microbes and the Environment PPT
IB Biology - Topic F.2 - Microbes and the Environment PPT
IB Biology - Topic F.2 - Microbes and the Environment PPT
IB Biology - Topic F.2 - Microbes and the Environment PPT