Building models doesn't actually help scientists observe phenomena. Scientists build models to describe how nature and systems operate then make observations to see if their models match what they observe. Models which don't match what they observe are either alterated or scrapped. Good models are kept and used by the scientific community.
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Your gut bacteria can affect how your food is digested, how fat is stored and whether you feel hungry or full. Thus, a healthy gut bacteria may be important for maintaining a healthy weight. High-fiber foods like whole grains, fruits, vegetables, nuts and seeds can all promote healthy gut bacteria.
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the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
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The presence of new nucleus in the cell
Explanation:
If the cell have true nucler then it is eukaryotic,but when it is having not true nuclear in the cell then it is prokaryotic
