"There are certain fundamental rules that all ecosystems must follow. Energy, usually harnessed in from sunlight or, rarely, from the breakdown of minerals, must flow into the ecosystem to replace what is lost through activity and decay. The organisms that can access this energy are the producers, and those that cannot are the consumers, feeding on other living things in order to survive.” Thomas Halliday (2022). Otherlands: A World in the Making. Photo by Monica Pinheiro free to use if you respect the license CC BY-NC-SA ( CC ).
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