Slide Preview for B2 - Understanding our Environment
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Powerpoint Description:
Ecosystems, sampling the population, classifying organisms, variation, similar species, photosynthesis, limiting factors, uses of glucose, respiration, competition, food chains, predators and prey, interdependent relationships, adaptation, evolution, natural selection, population and pollution, ozone, global warming, the greenhouse effect, pollution indicators, sustainable development, extinct and endangered species.Click here to register and to download this PowerPoint file
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