Answer:
The correct answer is "Bacteria".
Step-by-step explanation:
An Antibiotic is known as the drug that slows down or kills the growth of Bacteria. Antibiotics related to the category of anti-microbial which also deals with Anti-fungal drugs.
Antibiotics are known as the chemicals that developed or come from the microorganism. the first antibiotic was discovered by the Alexandra Fleming in 1928. the discovery of Antibiotics was one of the greatest achievements in the field of Medical science.