Y ΝΑ XIW Hfr NA Nutrient Agar Provides all nutrients the bacteria needs + no antibiotics y ECM XIW Hfr ECM = ECM Agar Minimal medium + glucose + has streptomycin antibiotic

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Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.