Answer:
Antibiotic resistance occurs when bacteria change in response to the use of these medicines. Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria
Explanation:
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A group of similar cells organized to perform a particular function is a "tissue."
The answer would be C. studying chromosomal changes in mitosis cell division. because mitosis is when the parent cells are just copies of an identical cell or known as the daughter cell.