Rosen Education Service | 2011 | ISBN-10: 1615305343 | 88 pages | PDF | 21 Mb
Bacteria, algae, and protozoa-microorganisms that are easily overlooked in our daily lives-can be found in a wide variety of locations and serve innumerable ecological purposes. While some such organisms have been associated with disease, they have also been invaluable in agriculture and in the production of certain foods, medicines, and
other necessities. This informative volume examines the properties and uses of these powerful and essential life forms. Graphic organizers and detailed images bring the miniscule details of these entities to the forefront
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