Question

1. What are the general characterise of microorganisms?
2. How do the blue-green algae and symbiotic bacteria convert atmospheric nitrogen into nitrogen compounds ?​

Answer 1

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1. Microorganisms are the smallest organisms on Earth. In fact, the term microorganism literally mean " microscope organism". Microorganisms may be composed of prokaryotic and eukaryotic cells and they may be single celled or multicellular. Examples of microorganisms include algae, fungi, protozoa, bacteria and viruses.
2. Blue green algae and symbiotic bacteria both convert free nitrogen into nitrogenous compounds such as ammonia, nitrate, nitrites with the help of enzyme nitrogenase. They fix atmospheric nitrogen into products which can be used by plants

Answer 2

Answer:

microorganism is the smallest organism on earth