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Acquired mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
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the answer is dont look it up anymore figure it out
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The human digestive system can fail if you eat something harmful, and it can break down nutrients, techinically the digestive system can stop working if you get something like Gastoparesis, which stops the movement of food through the digestive system.
They have almost no height or determination of a real mountain they a pretty much just a lump of dirt...
The branch of biology that is related to study of animals, their structures, evolution, and other factors is known as <u>Zoology</u> ~
