What are bacteria? State three harmful effects of bacteria
Answers
≈≈> Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats .
Explanation:
bacterias also called germs bacterias are the type of biological cells they constitute a large domain of procaryotic organisms .
harmful effects of bacterias are given below :
1.bacterias cause illness and disease like polara infections etc.
2.in humans the bacterias produce toxins which damages the specific tissues
3.certain bacterias act as pathogens and cause Typhoid fever tuberculosis etc.
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