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Bellwork : Mon. April 16, 2018

Explore the significance of bacteria as decomposers, nitrogen fixers, and food producers. Learn about their industrial applications, including sewage treatment and bioremediation.

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Bellwork : Mon. April 16, 2018

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  1. Bellwork: Mon. April 16, 2018 Fungi that prey on a host, like frogs, are _________________ Amphibians are known as _____________ species Why is it important to be worried about the frogs?___________________________-

  2. The Importance of Bacteria (Prokayotes) • Decomposers: break down complex organic molecules into simpler molecules in soil and in rotting plant material such as fallen logs… • industrial sewage treatment, helping to produce purified water and chemicals http://www.qrg.northwestern.edu/projects/marssim/simhtml/info/whats-a-decomposer.html

  3. Nitrogen Fixers: Rhizobium bacteria live symbiotically in nodules of legume roots on soybeans, beans, clover converting atmospheric nitrogen into a form that is useable by plants.

  4. Nitrogen gas (N2) makes up 80 % of Earth’s atmosphere, but only prokaryotes can convert N2 into useful forms.

  5. Nitrogen fixation:converts nitrogen gas into ammonia (NH3). Ammonia: (NH3)can then be converted to nitrates that plants use, or attached to amino acids that all organisms use. https://www.youtube.com/watch?v=4NKGS4bj7cc

  6. Photosynthetic prokaryotes (cyanobacteria A.K.A. blue green algae) are among the most important producers (of oxygen)on the planet. https://www.youtube.com/watch?v=uU00tg98Jjw

  7. Food chains are dependent upon prokaryotes as producers of food and biomass.

  8. Human uses of Bacteria Yogurt is produced by the bacterium Lactobacillus. https://www.youtube.com/watch?v=9HL5iOE3kT8 https://www.youtube.com/watch?v=TjPvSpKh5oI Cheese: https://www.youtube.com/watch?v=aKXsYmYpCIk

  9. Some bacteria can digest petroleum and remove human-made waste products and poisons from water. WRITE THIS ON THE BACK: • Bioremediation —boosting microbial activity by ensuring a steady supply of such nutrients— https://www.youtube.com/watch?v=gM5bQscTjgs

  10. Human uses of Bacteria Other bacteria are used to synthesize drugs and chemicals through the techniques of genetic engineering. • https://www.youtube.com/watch?v=zlqD4UWCuws

  11. Human uses of Bacteria Bacteria and archaea adapted to extreme environments may be a rich source of heat-stable enzymes that can be used in medicine, food productioN AND BEYOND EARTH? https://www.youtube.com/watch?v=mJgi1Kz6Ejc

  12. Bellwork Name the bacteria type and draw it!: 1. 2. 3. https://www.youtube.com/watch?v=-iE-JbtxB6w

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