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it doesn't, well it goes into your system and sticks in to your insides of you organs and when they get washed away it takes all the other unwanted bacteria away

it is not like that, bacteria decompose the dead organi material which present in the soil and converts it into chemicals so that life-cycle of ecosystem kept in balance.. nature always maintain itself by one way or other.. and bacteria are playing vital role in this process.

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14y ago
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11y ago

Many microbs such a bacteria are decomposers, and can chemicaly break down living and non-living substances. They can get rid of the dead, and can also cause death, making sure that a particular species does not thrive too much.

They also help other organisms such as animals. Cows have bacteria in their stomach which diggests the cellulose in grass. The cow then digests the bacteria, attaining the nutrients.

Humans also have bacteria in the stomach, and this aids in digestion.

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14y ago

bacteria help the ecosystem recyle nutrients, therefore maintaining equilibrium in the environment .

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14y ago

They digest the dead plants and animals and they digest food in the intestent of animals too.

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11y ago

bacteria present in our ecosystem change the waste material in the state that can be easily mix in our system that not our harmfull for environment

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15y ago

they help digest foood for animals

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Q: How do bacteria help keep ecosystems healthy?
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