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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 organisms (deer etc) die from septicemia - leaving a corpse for the dragon to find and eat.
Humans - our lower intestinal tracts have loads of e. coli bacteria - the stuff that makes us sick if ingested (from unwashed hands and offal.) What does it do? Produces vitamin K2, helps with digestion of some foods and keeps other bacteria from taking over in there.
Bacteria also help in breakdown of dead materials (plants and animals) and help recycle the elements beck to the food supply.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoWhether you may realize it or not, you actually have bacteria living inside of you. You have a natural population of bacteria growing inside of you that help keep your bodily functions in check and help with things such as digestion.
Also, bacteria are very important in the nitrogen cycle. They help ecosystems recycle nitrogen, and human life could not likely exist without their help in this way.
Wiki User
∙ 13y agobacteria 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 bacteria you lost from the medicine
Wiki User
∙ 13y agoSome of them are but not most of them.
(P.S. I hope this helps you)
From, Moumita
Do not edit please.
Wiki User
∙ 15y agoBecause your body is immune to most of them and others have no reason to be harmful.
Wiki User
∙ 12y agoNo because the human body has something called Normal Flora which consists of microorganisms, bacteria, and other foreign organisms that the body needs to operate properly.
Wiki User
∙ 12y agoSome bacteria can cause disease.
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What are some harmful and helpful bacteria?
Harmful bacteria will harm you. Helpful bacteria will help you.
How is bacteria harmful to the environment?
Certain types of bacteria can be harmful to the environment. Others help with natural processes like decomposing and stuff like that. So, it depends what kind of bacteria you are talking about.
How does bacteria benefit humans?
Bacteria are important in the formation of certain foods. They are also used in mining and bioremediation (using bacteria to clean up the environment). In addition, bacteria that colonize different places in your body out compete other bacteria that may be harmful.
Two changes that are harmful?
Physical and chemical changes are harmful to us.
How do you sterilise a needle?
You heat it up at very high temperatures to kill harmful bacteria.
Bacteria greatly out number harmful bacteria?
Yes. Most bacteria is not harmful to us such as bacteria in a yogurt, but some bacteria is harmful.
How do bacteria in your bodies protect us from harm?
Bacteria is all around us, in our bodies and on our bodies. It is in part that these natural flora keeps us healthy. They do this in one way by out-competing other harmful bacteria for nutrients. If the harmful bacteria cannot get nutrients for food, they cannot survive.
What kinds of bacteria are harmful?
not all the bacteria harmful. bacteria that are harmful is i dont know sorry. have a nice DAY!!
Are microbes harmful?
All Microbes are not harmful. All virus are harmful. Some bacteria are harmful
What do archaebacteria do for us?
they eat harmful bacteria that hurt us .
What organisms are bacteria harmful to?
There are harmful to all organisms, but some bacteria are helpful in many ways.
What is the part of the blood that protects from harmful bacteria?
The part of blood that protects us from harmful bacteria are white blood cells.
Is bacteria in compost harmful?
Probably to humans, I wouldn't eat dead leaves. Well yes you wouldn't eat dead leaves but in an eco way they are helpful.
What are all the harmful bacteria?
There are hundreds if not thousands.
All bacteria are harmful.?
No, not all bacteria are harmful Infact some our good, like the ones in our gut that help us digest food. We should first understand what is bacteria and the common types of bacteria and how they grow in the body.no
A friend states that all bacteria are harmful to people?
False. Yes, some are harmful but not all. Take for example cheese. It's made with bacteria. Yeast, found in bread, is bacteria.
A friend states that all bacteria are harmful to people list 3 reasons why this statement is inaccurate?
1.not all bacteria is bad 2.some helps you get protein in food 3.I don't know
