![]() What is amazing is that while the number of human cells in the average person is about 30 trillion, the number of microbial ones is higher – about 39 trillion. And, as Yong explains in his utterly absorbing and hugely important book we mess with them at our peril.Įvery species has its own colony of microbes, called a ‘microbiome’, and these microbes vary not only between species but also between individuals and within different parts of each individual. They inhabit the soil, air, rocks and water and are present within every form of life, from seaweed and coral to dogs and humans. Invisible to the naked eye, they are ubiquitous. ![]() Microbes, most of them bacteria, have populated this planet since long before animal life developed and they will outlive us. ![]() Wendy Moore reviews Ed Yong’s book about microbes ![]() You should spend about 20 minutes on Questions 14-26 which are based on Reading Passage 2 below. ![]()
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