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Life on Earth I
Life on Earth Part 1

Professor Ricardo Cavicchioli, from the School of Biotechnology and Biomolecular Sciences at the University of NSW, delves into the third domain of life, the Archaea; an astonishing insight into life on Earth. Life on Earth can be divided into three main types, Bacteria, Eucarya (organisms such as animals, plants, yeast) and Archaea.  Archaea were only recently discovered to belong to a separate domain of life, a result of the development of new techniques in the 1960s and 1970s that enabled people to distinguish Archaea from the other types of microorganisms.All of the microbes do important things to keep the planet’s ecosystems healthy. Archaea are single-celled and are very difficult to distinguish from bacteria, even under a microscope. Unlike Eucarya, Bacteria and Archaea do not contain a nucleus.

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