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Contrast and compare the microbial communities found in lotic systems with those in lentic systems
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- Identify and describe some wastewater treatment processes in which a detritus food web plays a role.Suggest a wastewater treatment diagram for the pesticide industry. Give the reasons for each unit.You are the lead technical officer at the Environmental Management Authority. You have been asked to investigation the sightings of brown effluent in Brasso Seco. It is believed to be either raw sewage or insufficiently treated cocoa waste from chocolate production. Consider the data in Figure 1 and Table 2 and discuss the following: Discuss the biotic and abiotic processes and factors that would have contributed to the observations, establish the source of origin of the mysterious effluent, and outline whether the parameters are of environmental concern
- Name the non biodegradable pollutant.With reference to the phosphorus cycle, explain the benefits of phosphate solubilizing microorganisms to plants and Discuss how the activities of symbionts in a mutualistic association can lead to microbial weathering (1000 words).Which of the following could be an effect of an excess ofsewage running into a freshwater reservoir?(a) It could cause the water to become polluted and nonpo-table.(b) It could cause an increase in the biological oxygen de-mand (BOD).(c) It could cause oxygen depletion, leading to an increasein the anaerobic microbial population.(d) Large quantities of organic wastes could be left behind,killing off many plants and animals or causing animalsto migrate.(e) All of the above.
- Describe the differences between the microbial communities found in a deep, stratified lake with those of a shallow lake that lacks stratificationWhich of the following statements is not true about bioremediation and biodegradation? Microbes played a critical role in metabolizing the crude oil in the Deepwater Horizon spill in the Gulf of Mexico. Oil-degrading microbes have enzymes that use molecules in the oil as substrates. Phosphorus and nitrogen stimulate the growth of oil-degrading microbes. dding easily metabolized organic matter such as glucose increases biodegradation. The biodegradation of plastics is fast because of their chemical structure and properties.GIVE GRAPHICAL REPRESENTATION OF TREATMENT OF DOMESTIC WATER
- Studies of the deep subsurface have also identifiedheterotrophic populations. What types and sources ofnutrients are available to those organisms?Describe and explain the major steps in the process of wastewater treatment. How can artificial wetlands aid such treatment?Some of the organic material manufactured in estuarine communitiesis exported to other ecosystems. What type of ecosystems receive thismaterial? How is this material transported?