Below are the previews for the slide in B4 Community Level Systems. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.
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.
PowerPoint Slide Previews
Please note: The PowerPoints do NOT have any watermarks on them. This is for preview purposes only.