)Describe the roles that microbes play in nutrient, biomass recycling and growth Define the roles of microbes as commensals & pathogens, the mechanisms by which they interact with the hosts

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i wish i could with all of them i can barley see the first one so here's the answer to the first one b

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.