PPT-Soil Bacteria Author: Thomas

Loynachan Citation Thomas Loynachan 2008 Soil bacteria Publication Date June 2008 Introduction Bacteria are the most numerous of the culturable soil microorganisms Their numbers are often as high as 1 x 10. In a single gram of soil there can be billions of bacteria There are an estimated 60000 different bacteria species most which have yet to be even named and each has its own particular roles and capabilities Most live in the top 10cm of soil where or They generally are less than 2 inches thick and are massive Crusts are created by the breakdown of structural units by flowing water or raindrops or through freezethaw action Soil crusts are generally only a temporary condition Typically the soil im What is soil?. Rocks and sediments might not seem to have much in common with soil, but soil is what they become when they are weathered.. Soil. is the loose, weathered material on Earth’s surface in which plants can grow!. By C. Kohn. What is Soil?. Take a moment and create your own definition of soil.. When instructed, discuss your definition with a partner. Try to come to a consensus definition that both you and your partner can agree on.. To make protein. Enzymes. Antibodies. Muscle. Explain why nitrogen atoms are . able to cycle. .. Atoms are . not created or destroyed. during chemical reactions. Only . bonds. change. N. N. N. N. N. Are they different? and . Do they matter?. Susan Andrews, National Leader. Soil Quality and Ecosystems. National Soil Survey Center. August 9. , . 2012. Soil Quality Definitions. “fitness for use”. Pages 476 - 495. A Rhinovirus . The Flu. What is a Virus??. Non-living particles that can’t reproduce. nucleic . acids . (DNA or RNA) . enclosed . in a protein coat . Smaller than the smallest bacterium . Microbes. Bacteria are single-celled organisms. Bacteria have the tools to reproduce themselves, by themselves. They are filled with fluid, and may have threadlike structures to move themselves, like a tail.. 92 JUJA AND KAKAMEGA FOREST IN KENYA R. Ntabo 1 , H. B oga 2 , A. Muigai 3 and R. Mwirichia 4 1,2 Department of Botany y, Nairobi, Kenya 3,4 Institute for Biotechnology Research, Jomo Kenyatta Simple, one-celled organisms. Multiply rapidly. Killed by antibiotics. Some have become antibiotic resistant. Classified by shape & arrangement. Shapes of Bacteria. Bacteria Classes. Cocci. =round or spherical. E. coliTotal coliformTotal coliform = Environmental contaminationFecal coliformFecal coliform and E. coli = Fecal contaminationE. coli O157:H7 You should test for coliform bacteria at least once a yea Cankdeska. . Cikana. Community College. NDEPSCOR/NDSU/NATURE. SUMMER CAMP 2017. Soil Organisms. Soil is full of living organisms. How many organism are in the soil?. What types of organisms are in the soil?. Figure 3-24. Fig. 3-24a, p. 69. Mosaic of closely packed pebbles, boulders. Weak humus-mineral mixture. Dry, brown to reddish-brown with variable accumulations of clay, calcium and carbonate, and soluble salts. Donovan Davis, Morgan Green, Catherine Nguyen, Donavan Thomas. Coliforms & . E. coli. Coliforms. Rod-shaped, gram-negative, non-spore forming . Present in plants, soil material, and the digestive systems of animals..