Question

What Is Bacteria....????​

Answer 1

Explanation:

very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Answer 2

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• Bacteria are small unicellular organisms.

• They are found everywhere- in air ,in water , in hot springs , in the body of living organisms too.etc.

• Bacteria are classified into four types based on their shapes - Coccus(circular) , Bacillus (Rod shaped) , Spirullum (spiral shaped) and Vibrio(comma shaped).

• They move with the help of flagella which are hair-like structures.

• They need moist atmosphere and moderate temperature for growth.

• They reproduce by asexual reproduction called Binary Fission.

• They can make their own food , obtain food from outside , feed on dead or decaying matter or live in the body of hosts.

• Examples of bacteria are-
• Lactobacillus
• Rhizobium
• Azotobactor
• Acetobacter
• Streptococcus
• Salmonella Typhi etc.

• Some bacterial diseases are- Typhoid , Cholera ,Diphtheria , Tuberculosis etc.

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