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user100 [1]
3 years ago
6

Explain how bacteria are both helpful and harmful to our bodies.

Biology
2 answers:
vovangra [49]3 years ago
6 0

Sample Response:

Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.

This is a sample response, so it's 100% correct. Peace!

kramer3 years ago
5 0

Hello! Here is your answer: Bacteria can be good, because they help produce oxygen, decompose waste, and help in medicine. They also help us digest food and live. Some other bacteria are harmful, because they can cause harmful diseases.

Hopefully, this helps!

Ask your question below!

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N an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on

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<h3 /><h3>What is inheritance of acquired characteristics?</h3>

For fifty generations wings of fruit flies were clipped. Hence they acquired this trait in their lifetime and not genetically. If acquired characteristics were capable of passing on to next generation, 50 generations would have been enough to inculcate this clipped wing trait in fruit flies. Despite it, the fifty-first generation did not have clipped wings.

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