Bacteria(plural) are microorganisms because they can't be seen without a microscope unless they form colonies But,to study the morphology and other characteristics of the bacteria one needs a microscopic view.
the spred of bactriea is caused by sickness
To help keep the water inside and to keep bactriea and microbes off the plant.
A food chain explains predator-prey relationship and energy transfer from one level to next level in a given ecosystem. It shows how different living organisms are dependent on another species in an ecosystem for their food requirements. A grassland is defined as a large open space filled with grass.A typical food chain in a grassland:→Sun→grass (producer)→mouse (primary consumer)→snake (secondary consumer)→hawk (tertiary consumer).→Grass→ Grasshopper→ Toad→ Snake→ Hawk→Bactriea(Producers)→ Herbivores(Primary Consumers)→ Carnivores(Secondary, tertiary, etc. consumers)→ Decomposers