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There surroundings around them change, like there enviroment.
For example.
A camouflage moth on a brown tree, overtime the tree grows green moss. Then the brown moth is out in the open for its prediters to eat it.
Wiki User
∙ 12y ago
Wiki User
∙ 15y agoThe effectiveness of antibiotics has diminished because they have been used so much the infections that they used to be so effective against have adapted so that they are resistant or even immune to the antibiotic.
Wiki User
∙ 8y agoBy using any antibiotic, you are actually selecting for organisms that are resistant to the antibiotic. There usually a few microbes in every group that have genes that make them resistant. Just as humans have various genes, so do microbes.
Antibiotics should ONLY be used when necessary and not for every sniffle. Many times your doctor will give an antibiotic when what you have is caused by a virus. Viruses are not affected in anyway by antibiotics.
Wiki User
∙ 13y agobecause if you requently use atibiotics your body will eventually become immune to its effects.
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What antibiotic potency means?
how effective it is.
A or An WHAT TYPE of DRUG is effective against a wide range of pathogens?
This would be called a broad-spectrum antibiotic.
How safe are antibiotic drugs?
depends on which antibiotic you are using. For example, Azithromycin is a relatively safe and effective antibiotic. Where as Vancomycin, is a highly effective antibiotic (covers MRSA) but has a lot of morbidities associated w/ it (hearing loss, kidney malfunction, etc).
What antibiotic is given for salmonella?
They can treat salmonella, but you generally don't take any for food poisoning, as it doesn't help clinically, and can even make it last longer, as you take longer to excrete the bug. If you're really sick, or have it in your blood, or young, though, it is given for safety Azithromycin is an effective antibiotic.
Why should antibiotics not be excess used?
If an antibiotic is used excessively, it may destroy too many of the harmless and helpful microbes in the body, and it may result in the development of a strain of harmful microbes resistant to the antibiotic so that it will no longer be effective in killing them.
What antibiotic is effective against chickenpox?
none, that is a virus
What is Antibiotic Sensitivity?
Antibiotic sensitivity is an evaluation of how effective a given antibiotic is at killing the pathogen that grew in culture. When antibiotic resistance is a problem the sensitivity study helps clinicians choose the right medication.
What is effective at treating strep throat but not at treating the flu?
An antibiotic.
The zones on inhibition for two antibiotic a and b on a sarcina lutea dish measure 17 and 18mm respectively which antibiotic is more effective against sarcina lutea Why?
b is more effective
Which chemotherapeutic agents was most effective againts organism?
This would only be apparent if the organisms are sensitive to One antibiotic and resistant to all others.
What other tests does a woman with mastitis undergo?
Tests can be performed to determine what type of antibiotic would be most effective against that particular bacteria.
When are antibiotics not effective?
An antibiotic might not work because the symptoms are attributed to a virus rather than a bacterium. Antibiotics do not work against viruses.
