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Antibiotic resistance happens naturally due to genetic mutation through random selection, however, genetic drift occurs on purpose and tests which genes are stronger and should continue to be passed on to future generations. In most cases, genetic drift is needed and antibiotic resistance isn’t.
Answer: if theres not enough food to feed predators and other animals, theyll start or starve and not reproduce, causing some predators population to go down or go extinct which can cause many other big changes in the environment
Explanation:
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. Hope this helps ;)
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