3. Write short notes
A. Useful and harmful bacteria.
B. Five Kingdom system
C. Useful Fungi.....
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3. Write short notes
A. Useful and harmful bacteria.
B. Five Kingdom system
C. Useful Fungi.....
plzz guys answer my questions
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Answer:
A. Useful and harmful bacteria.
Useful bacteria:
Good bacteria or beneficial bacteria are usually referred to as probiotics and are similar to the bacteria found in the human body. Probiotics are known to be beneficial to human health and in treating certain medical conditions.
Harmful bacteria:
Harmful bacteria may reproduce in your body and release toxins that can damage your body’s tissues and make you feel ill. Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.
B. Five Kingdom system
System of assembling organisms into groups or sets on the basis of likenesses and variances is called classification. It simplifies the study of a wide variety of organisms in a very systematic manner.
R.H. Whittaker proposed the five-kingdom classification in 1969. This classification was based upon certain characters like mode of nutrition, thallus organization, cell structure, phylogenetic relationships and reproduction. This form of kingdom classification includes five kingdoms Monera, Protista, Fungi, Plantae and Animalia.
C. Useful Fungi
Humans use fungi for many purposes, including as food or in the preparation of food. Humans also use fungi for pest control. In addition, fungi can be used to produce citric acid, antibiotics, and human hormones. Fungi are model research organisms as well.