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micro organisms

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its got all about bacteria fungi algea etc........

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micro organisms

  1. 1. Microbes<br /><ul><li>Bacteria
  2. 2. Algae
  3. 3. Virus
  4. 4. Fungi
  5. 5. Protozoa
  6. 6. By Shaurya Tomer</li></li></ul><li>Bacteria<br />What are bacteria?<br />Bacteria are a large group of unicellular microorganisms. Typically a few micrometers in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals. <br />
  7. 7. Bacteria<br />Shapes of bacteria:<br />Bacillus : Bacillus is a genus of rod-shaped bacteria and a member of the division Firmicutes. <br />Coccus : Cocci(singular) are any bacteria whose shape is spherical or nearly spherical.<br />Comma shaped: It’s name says for itself it is some way like a comma .<br />
  8. 8. Bacteria<br />Binary fission of bacteria:<br />Binary fission :This process results in the reproduction of a living prokaryotic cell by division into two parts which each have the potential to grow to the size of the original cell. <br />
  9. 9. Bacteria<br />Uses of bacteria :<br />Medicine Industry (antibiotics)<br />Tanning of leather<br />Wine Industry<br />Lactobacillus (converts curd into milk)<br />Bacteria living in the gut of herbivore animals break down cellulose.<br />Synthesis of vitamin b complex<br />Decompose matter<br />Nitrogen fixation<br />
  10. 10. Algae<br />What is algae?<br />Algae are a large and diverse group of simple, autotrophic organisms (organisms that can make their own food), ranging from unicellular to multicellular forms.<br />
  11. 11. Algae<br />Where are they found ?<br />Algae are usually found in moist, damp or aquatic places<br />Does algae have chlorophyll or not?<br />Alga is the only being other than plants containing chlorophyll . Alga also is the only being except plants to photosynthesize.<br />
  12. 12. Algae<br />Some algae :<br />Spirogyra<br />Chlamydomonas<br />Volvox<br />Kelp<br />
  13. 13. Algae<br />Uses of alga :<br />Ice-cream<br />Toothpastes<br />Medicines<br />Agar gel (food for biotechnological experiments)<br />Oxygen to the atmosphere<br />
  14. 14. Algae<br />Harmful aspect:<br />Eutrophication or algal bloom :<br />When excess fertilizers enter the sea from agricultural fields, it creates a big layer of algae called algal bloom, which is very harmful for aquatic or marine life as the algae completely cuts out sunlight from the water beneath it, and for a matter of fact, it also reduce oxygen in the water, which cause the fish and other aquatic animals to die. This process is called Eutrophication.<br />
  15. 15. Fungi<br />What is fungi?<br />Fungus is a eukaryotic organism that is a member of the kingdom Fungi . The fungi are a monophyletic group, also called the Eumycota .<br />
  16. 16. Fungi<br />Some fungi:<br />Rhizopus :Rhizopus is a genus of molds that includes cosmopolitan filamentous fungi found in soil, decaying fruit and vegetables, animal feces, and old bread. <br />Agaricus: Agaricus is a large and important genus of mushrooms containing both edible and poisonous species, with possibly over 300 members worldwide .Agaricus are characterized by having a fleshy cap or pileus, from the underside of which grow a number of radiating plates or gills on which are produced the naked spores. <br />
  17. 17. Fungi<br />Useful aspects<br />Edible mushrooms <br />Yeast (baking products)<br />Penicillium is antibiotic<br />Cheese<br />
  18. 18. Fungi<br />Harmful aspects :<br />Food spoilage<br />Poisonous mushrooms when consumed cause food poisoning .<br />Athlete foot , ringworm diseases <br />Diseases in plants<br />Leather goods spoilage<br />
  19. 19. Protozoa<br />What are protozoa?<br />Protozoa are microorganisms classified as unicellular eukaryotes. Protozoa are paraphyletic. Though they have sometimes been described as a subkingdom or phylum, they do not constitute a formal taxon in modern classification systems .<br />
  20. 20. Protozoa<br />Types of protozoa:<br />Amoeba: <br />Paramecium:<br />Euglena: <br />
  21. 21. Virus<br />What is a virus?<br />A virus is a microscopic infectious agent that can only reproduce inside a host cell. Viruses infect all types of organisms: from animals and plants, to bacteria and archaea. <br />

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