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Topics: Bacteria, Antibiotic, Virus Pages: 2 (346 words) Published: March 6, 2013
garganey birds, shovellors, mallards, herring gulls are not seen throughout the year because they have come from some parts of the globe for a certain period of time.

These birds are what we called migratory birds. The best place to see such migratory birds are certain wetland or riverine areas. The most striking feature of the migratory birds is that they come in flocks in enormous numbers and often swarmed the areas they visited.

Most of the migratory birds in India come from very far off places in the northern part of the globe, such as the palaerctic regions, across the high mountain ranges of the great Himalayas. Majority of the migratory birds coming to India are ducks, geese and cranes. Migratory ducks fly in an enchanting V-formation; maybe they have to save as much energy as they can because they have to travel a long distance during their migration

Antibiotics, also known as antibacterials, are types of medications that destroy or slow down the growth of bacteria. The Greek word anti means "against", and the Greek word bios means "life" (bacteria are life forms).

Antibiotics are used to treat infections caused by bacteria. Bacteria are microscopic organisms, some of which may cause illness. The word bacteria is the plural of bacterium. How do antibiotics work?

Although there are a number of different types of antibiotic they all work in one of two ways: •A bactericidal antibiotic kills the bacteria. Penicillin is a bactericidal. A bactericidal usually either interferes with the formation of the bacterium's cell wall or its cell contents.

A bacteriostatic stops bacteria from multiplying.
What are antibiotics for?
An antibiotic is given for the treatment of an infection caused by bacteria. Antibiotics target microorganisms such as bacteria, fungi and parasites. However, they are not effective against viruses. If you have an infection it is important to know whether it is caused by bacteria or a virus. Most upper respiratory...
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