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IB Biology (2016) - 4.3 - Carbon Cycling PPT

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Presentation (Powerpoint) File

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3 MB|21 pages
Product Description
This 21-slide powerpoint presentation covers 'Topic 4.3 - Carbon Cycling' in the 2016 IB Biology curriculum. Each slide includes the specific learning objective as well as key vocabulary that students should note.

The presentation itself contains minimal information as it is intended to be used with
teacher guidance. They are also formatted to be visually pleasing and to print well for handouts or revision. Please see the preview file for an idea of the slide aesthetic and level of detail.

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


Learning Objectives:

U1: Autotrophs convert carbon dioxide into carbohydrates and other carbon compounds.
U2: In aquatic ecosystems carbon is present as dissolved carbon dioxide and hydrogen carbonate ions.
U3: Carbon dioxide diffuses from the atmosphere or water into autotrophs.
U4: Carbon dioxide is produced by respiration and diffuses out of organisms into water or the atmosphere.
U5: Methane is produced from organic matter in anaerobic conditions by methanogenic archaeans and some diffuses into the atmosphere or accumulates in the ground.
U6: Methane is oxidized to carbon dioxide and water in the atmosphere.
U7: Peat forms when organic matter is not fully decomposed because of acidic and/or anaerobic conditions in waterlogged soils.
U8: Partially decomposed organic matter from past geological eras was converted either into coal or into oil and gas that accumulate in porous rocks.
U9: Carbon dioxide is produced by the combustion of biomass and fossilized organic matter.
U10: Animals such as reef-building corals and mollusca have hard parts that are composed of calcium carbonate and can become fossilized in limestone.
A1: Estimation of carbon fluxes due to processes in the carbon cycle.
A2: Analysis of data from air monitoring stations to explain annual fluctuations.
S1: Construct a diagram of the carbon cycle.
Total Pages
21
Answer Key
N/A
Teaching Duration
1 hour
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