Slide Preview for B4 Community Level Systems
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Powerpoint Description:
Use this slideshow to teach the B4 topic, including: ecosystems, biotic and abiotic factors, the carbon cycle, the nitrogen cycle, the water cycle, decomposition, how decay is affected by different conditions, organisation in an ecosystem, abiotic factors and how changes in abioitic factors affect organisms, biotic factors, sampling an ecosystem, interdependence, parasitic and mutualistic relationships, predator-prey cycles, trophic levels, pyramids of biomass, energy flow in a food chain, example calculation for efficiency of a food chain.Click here to register and to download this PowerPoint file
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