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Case Studies on Ecology





  1. Nitrosomonas, Nitrosococcus, Nitrobacter and Nitrosospira are examples of nitrifying bacteria. Discuss its importance in the ecosystem.                

[Hint: Nitrogen Cycle]


  1. Water sample from three distant places are given for analysis. Find out the physical and chemical properties of the water. Analyze the result.


[Hint: Determination of Ph of water, Chemical Oxygen Demand of Water and Biological Oxygen Demand]


  1. A successful invader in the ecosystem can in many cases inflict enormous damages to the ecosystem. Discuss with an example.


[Hint: Population Invasion- A threat to Ecosystem]


  1. Foraging defines the searching of food and exploiting the food resources by the organism. Discuss with an example.


[Hint: Study of Foraging of Organisms in the Ecosystem]

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