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Organisms and Their Environment | IGCSE and O Level Biology pptx
This detailed presentation on organisms and their environments provides a thorough overview of key ecological principles. It defines common ecological terms such as habitat, niche, predator, prey, and community, and explains how populations interact to form ecosystems. The presentation examines energy flow and chemical cycling—illustrating how sunlight drives photosynthesis, which fuels food chains and food webs, while energy is lost as heat at each trophic level. It also explores ecological pyramids, highlighting the differences between energy, biomass, and numbers across trophic levels, and discusses the impacts of pollution and human activities on water quality, biodiversity, and ecosystem stability.
#Ecology, #Ecosystems, #EnergyFlow, #FoodChains, #Biodiversity, and #Conservation.
#Ecology, #Ecosystems, #EnergyFlow, #FoodChains, #Biodiversity, and #Conservation.