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The complete history of the Universe -- from the Big Bang to 200 my into the future

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History of the Universe eBook. 398 pages, 300 illustrations only $2.99

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Ecosystem

A complete ecosystem must have developed around this time. The blue-green bacteria and the algae were the producers. The protozoa were the consumers, and the fungi and most of the bacteria were the decomposers. They re-cycled molecules between them, with the energy of the Sun driving the whole ecosystem.

Diagram of ecosystem

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History of the Universe eBook. 398 pages, 300 illustrations only $2.99

eBook only $2.99
398 pages, 300 images

"I find the science fabulous...an extremely useful teaching tool."
Professor David Christian

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