Question

the microbiologist who discovered \animalcules\ is
richard petri
robert koch
edward jenner
anton can leeuwenhoek
question 33 (1 point)
the formal system for classifying and naming organisms was developed by
louis pasteur
robert koch
aristotle
ignaz semmelweis
carolus linnaeus

Explanation:

Anton van Leeuwenhoek is credited with discovering "animalcules" (micro - organisms) using his hand - made microscopes. The formal system for classifying and naming organisms, known as binomial nomenclature, was developed by Carolus Linnaeus.

Answer:

The microbiologist who discovered "animalcules": D. Anton van Leeuwenhoek
The formal system for classifying and naming organisms was developed by: E. Carolus Linnaeus