Show redwood trees largest bacteria smallest Smal leat bits bit the largest ting living things rr are e th the plant giant redwood trees the smallest are ill bacteria esterla both tire are plants bacteria ire are plants consisting of only a single cell while hile the redwood trees consist t of countless millions of cells observes a writer in the missouri former farmer man hian has been able to conquer ard mal the soil improve his crop chopi and build skyscrapers sky scrapers yet he Is dependent on the simplest and smallest living liing things for his material existence bacteria are often called germs or microbes mic robes perhaps the word germs Is used because these plants are so similar to single celled animals they are so small that no one has over ever seen one without the use of a microscope they may he less ihan iban one gienty aie thousandth of an inch in diameter and hundreds of thousands thousand A of if them can if ahe e on an area the size of 0 a pin head it was because of their smallness small nesi that no one ever saw one until the latter part of the seventeenth century hen anthony van ran a hollander who nho Is credited with the invention of the microscope saw them while peering through his crude lenses later pasteur the noted french scientist in 1837 discovered that bacteria caused the souring of 0 milli milk and fermentation then in robert koch knelt it a german discovered the bacteria causing tuberculosis |