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Are bacteria considered to be living organisms?

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Generally we regard bacteria as living since they are able to metabolise, respirate and excrete and divide. A virus on the other hand is not considered a living organism -if that is the right choice or word. read more

Bacteria are still considered living organisms, however. Bacteria are often composed of a cell wall, a cell membrane, and cytoplasm. Some bacteria have outer membranes, and most have the following structures: A chromosome, plasmid, a capsule and slime layer, an endospore a pilus, and flagellum. read more

A group of bacteria considered to be the smallest free-living organisms. Unlike most other bacteria, they lack a cell wall. Some are saprophytes, some are parasites, and many are pathogens. They cause primary atypical pneumonia and many secondary infections. read more

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