Are most bacteria helpful or harmful?

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I learned this in science class a few weeks ago. 95% of bacteria are helpful to us and only 5% are harmful. Pretty amazing, right?
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How does bacteria harm people?

Answer: We could not live without the protective bacteria on our bodies and in our bodies. We have over 50,000 bacteria per square inch on our skin and if you use a scrub brush to wash the skin, you can remove this protective bacteria and skin disease will follow. Our stomach used bacteria to diges ( Full Answer )

What medicine can kill harmful bacteria?

Answer . That would be antibiotics. Antibiotics work with your immune system, reving it up, so it can kill batcerias in case of, per example, bronchitis or a strep in your throat.. Topical antibiotics will also work on skin for cuts and such to prevent infection.. However, you should not forge ( Full Answer )

How is bacteria harmful?

It causes infectious diseases... and is it a bad for the animals and the wold and the humans and entire too

Is bacteria harmful?

bacteria can be very harmful or it can be benificial (unharmful) i am currently studying micr oranisms and microbes and i am only 10 years old and dont know very much yet Some bacteria are harmful and some are essential to animal life.

How can bacteria be harmful?

In general there are two ways that bacteria can be harmful: . By feeding on human body cells directly. . By feeding on some other substrates but at the same timeproducing some waste product that are harmful to humans.

Are bacteria harmful?

Some bacteria are harmful, and these bacteria are called pathogens; common examples include Salmonella typhus and E. coli O157:H7 . However, many bacteria are neutral to humans - they do not help us, but they do not cause disease. There are thousands of species of bacteria living in the soil, o ( Full Answer )

Is all bacteria harmful?

No. Bacteria is part of our existence. We need bacteria in our daily lives. Bacteria are both harmful and useful to the environment and animals, including humans.

Do beneficial bacteria outnumber harmful bacteria?

Yes !. Beneficial bacteria are everywhere. They are in the food that we eat, the air that we breathe and the water that we drink. They appeared on earth over 3.7 billion years ago and have colonised virtually every environmental niche since. To date, approximately 4,000 species of bacteria are know ( Full Answer )

Why is bacteria harmful?

Bacteria live everywhere in the air, in soil, in water, in food, and on every sort of plant and animal. They live inside our bodies and, while some bacteria are harmful to humans and other animals because they can cause disease, we could not live without them. They make our digestive systems work an ( Full Answer )

What are some harmful bacteria?

babykitty hellokitty, really why would i put that im a girl an di finger myself and i like it it feels so good and i did it to another girls n got them pregnant

Are bacteria helpful or harmful?

It depends how you look at it. Certain types of bacteria are used in a good way, to make yogurt and other dairy products and are part of the sewage treatment process. They are also used to make medicine and are part of biotechnology. Unfortunately, they can also cause infections and deadly illnesses ( Full Answer )

What process kills harmful bacteria?

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Can bacteria harm your immune system?

Some can. One thing that can happen, is that if your immune system is fighting one infection, it can leave you vulnerable to a second one. Some bacteria have been discovered to produce chemicals that destroy immune cells in order to defend themselves.

Why are bacteria always not harmful?

Some bacteria have reached a symbiotic relationship with their hosts. Examples include: Komodo dragons - they have bacteria that live in their mouths but do not make them sick - the dragon bites a victim and even if the victim escapes after one bite, in general in about a week the weaker orga ( Full Answer )

How are bacteria helpful and harmful?

Some bacteria help us digest food, other bacteria live off our bodies and can kill you. this is one example of a much much more complex system than i can hand down over wikianswers.

Are pathogens harmful bacteria?

The term pathogen is derived from the Greek παθογένεια, "birth of pain." or "that which produces suffering" and that's basically what a pathogen is. It is an agent that causes pain and suffering to its host through disease or illness. Put more simply, a pathogen is anyt ( Full Answer )

How can bacteria be harmful to your body?

Bacteria can be harmful to the body if the species of bacteria is aharmful one. It can cause food poisoning, infect wounds, andpollute water. Some harmful types of bacteria are MRSA, E. Coli,and gangrene.

Is bacteria harmful and helpful?

Yes. Your skin has many types of bacteria that are needed to fight off more harmful bacteria. Females have bacteria that help fight off fungal infections. When a bacteria population reaches a certain number it is no longer helpful, and thus considered pathologic

Is bacteria harmful or helpful?

There are many, many types of bacteria. They can be both harmful and helpful to us. Also, even if there were to be helpful in a certain part of the body they may also be a pathogen in another.

What are some harmful effects of bacteria?

some harmful effects of bacteria include: can cause decease's, sickness, unusual behavior in victim, spoil food. But there are many more.

Is bacteria harmful to humans?

It depends of what kind of bacteria it is, if it is almost 99% thanit is good but if it is below 50% than it is bad and can eithermake someone sick or it makes them die.

Is yogurt bacteria harmful?

Yeast, a bacteria found in bread, yogurt and chees (I think) is not harmful - why would we eat it if it was?\n. \nYeast is the bacteria that helps bread rise when it is baking.\n. \nThe overall answer:\n. \nNo, the bacteria is NOT harmful \n. \n A2: \n. \nThis bacteria is acually good for f ( Full Answer )

What ways can bacteria be harmful?

Most bacteria are harmful because they release chemical poisons called toxins into the body that damage cell structure and function

Why all bacteria harmful or why no?

Bacteria may be harmful or helpful to humans. Some bacteria may cause lethal diseases when infecting humans, whereas others may be necessary to help maintain optimal health in humans (such as those in the small intestine which produce Vitamin K). Other bacteria help us with the production of various ( Full Answer )

Is bacteria harmful to people?

Bacteria can be harmful to people because it can cause serious sickness to the body, and if bacteria is reached by other harmful diseases that you have like eczema's skin disease) bacteria and sun rays work together to make their skin itchy, dry, and flaky The bacteria also works as a eating away pr ( Full Answer )

Is it bacteria harmful?

great question. some are bad but 98% (something like that) are good! Just learned that in school. hope this helps :)

Is bacteria more helpful or harmful?

I'm sure you know that it can be both like the E.coli bacteria that lives in your colon is helpful, but if it grows uncontrollably you can develop a disease so i would say that they are more harmful than helpful

What is the purpose of harmful bacteria?

There isn't really a "purpose" for harmful bacteria, or anythingelse, in the scientific sense (perhaps what you really meant to askwas "Why did God/the gods create harmful bacteria?" but then youshould have put it in the Religion category). Some bacteria are "harmful" because that helps them spread ( Full Answer )

Why is bacteria so harmful to the body?

Actually, most bacteria is good for your body at a certain point- it all depends on the type of bacteria. Some types help build up our body's immune system.

Why are some bacteria not harmful?

bacteria is not all harmful in actuality bacteria actually live inside of you the bacteria in your stomach make vitamins for your body which are essential for your survival. That is why after taking antibiotics you must east yogurt because yogurt has live bacteria in it that replace the good bacteri ( Full Answer )

What is the cause of harmful bacteria?

Bacteria are alive, can be helpful and most are harmless. That's right, one type of these tiny single celled critters dwells in your gut, assisting in digestion of food. There exists however, harmful types of infectious bacteria that have the potential to make you feel extremely unwell. These pup ( Full Answer )

Where and how most students contact harmful bacteria?

bad bacteria makes you sick if inhaled or ingested, so people come in contact if they don't wash their hands before eating, touching their face, biting nails (anything that allows hands to contact the mouth, nose, eyes) also if someone is around an infected, contagious person: infectious coughed u ( Full Answer )

How can bacteria be harmful to people?

When we think of bacteria there 2 types. The saprophytic(decomposers) and the pathogenic(bacteria that cause infection). Bacterial diseases in the past have killed many people, example - Tuberculosis(caused by a bacterium called mycobacterium tuberculosis or by a bacterium called mycobacterium Bovis ( Full Answer )

Is bacteria in compost harmful?

Yes. Most bacteria is not harmful to us such as bacteria in a yogurt, but some bacteria is harmful..

Is bacteria harmful to us?

Some types of bacteria can be harmful to us but some are actually quite useful and without them, we wouldn't be able to digest things. Cheese and yoghurt are made using bacteria and so is penicillin. Some can be bad such as some strains of E. coli, which can cause vomiting and diarrhea.

How can animal bacteria be both helpful and harmful?

The acid in your stomach is a Bacteria, digesting your food and keeping you alive. But other Bacteria come from outside your body, entering from the nose or mouth, making you sick. But only Bacteria can be cured, not viruses. So there are Good Bacteria that keep you alive, and others that try to kil ( Full Answer )

Do bacteria harm human intestines?

There is more than one kind of bacteria which may inhabit the human intestines. There are bacteria (such as lactobacillus acidophilus) that are beneficial to human health, and help us to digest our food. Other types (such as cholera) cause illness. .

Do harmful bacteria depend on vitamins?

Some bacteria do, but most don't. Vitamins are used by multicellular organisms for signalling and to modulate nutrient uptake and the immune system; the bacteria simply keeps its own cytoplasm clean without the need for vitamins.

What bacteria in the body are not harmful?

The bacteria 'normally' present in the colon are not harmful, unless immunity is lowered. You call them commensals. Means harmless. But there importance in the body is recognized once they are killed by broad spectrum antibiotics. You get the super-infection by Clostridium difficile of Candida albic ( Full Answer )

Can bacteria harmful to humans?

It depends what kind of bacteria you're talking about. Our bodiesnaturally contain bacteria that helps us digest food.