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We shift focus on the flow of energy through ecosystems. We look at food chains and food webs and how these are used to illustrate the flow of energy through the ecosystem. We also look at ecological pyramids and the different trophic levels, and how we can draw these pyramids from the food chain...
Balance in the ecosystem is quite important, especially how the balance can be disturbed by natural and human factors. Let us look at the different types of adaptations that animals develop in order to survive in extreme environments
In order for organisms to survive in extreme environments organisms will develop certain adaptations. These adaptations can be structural, functional or behavioural. We look at plants and animals who work in similar ways.