History of the Universe eBook. 398 pages, 300 illustrations only £5.99
EcosystemA 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
History of the Universe eBook. 398 pages, 300 illustrations only £5.99 |
eBook only £5.99 398 pages, 300 images "I find the science fabulous...an extremely useful teaching tool." Professor David Christian. Follow @WykenSeagrave |