登入選單

返回Google圖書搜尋

Allies And Enemies

Anne Maczulak

出版	Pearson Education Incorporated, 1900
URL	http://books.google.com.hk/books?id=W67JtwEACAAJ&hl=&source=gbs_api

註釋

Self-sufficient, invisible, mysterious, deadly - and absolutely essential for all life, including you. They're the Earth's bacteria, and they've been here for four billion years. No other living thing combines their elegant simplicity with their incredibly complex role: bacteria keep us alive, supply our food, and regulate our biosphere. We can't live a day without them, and no chemical, antibiotic, or irradiation has ever successfully eradicated them. We're hopelessly outnumbered by bacteria: there are at least ten times as many bacterial cells in and on your body as there are human cells. Th.