Answer: <span>Normal microbiota directly kill invading organisms.
Some bacteria that reside in our body are useful to combat pathogenic microorganisms. Those bacteria, like lactobacillus and E.coli, inhibit the growth of those pathogenic organisms by taking, for example, oxygen and nutrients from them, or even changing the local ph. They can also produce metabolites that make the environment impossible to live for the intruders.
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Answer:
A type of communication that moves in any direction, skips authority levels, and is as likely to satisfy social needs as it is to facilitate task accomplishments is <u>informal communication.</u>
Explanation:
An <u>informal communication</u> occurs when people come together and talk about their working conditions, family , co-workers , etc. It is basically the process of spontaneous exchange of information among various people of different status. It is usually used with friends and family , contains shortened version of words, often including slang words.
<u>For example :</u> Rumour, gossip etc. are the examples of Informal communication.
Answer:
i think homeostasis for osmosis