FTCE Pre-K Prekindergarten PK-3 Practice Exam 2025 - Free FTCE PK-3 Practice Questions and Study Guide

The choice of Pasteur as the answer is correct because he is widely recognized for his groundbreaking work in microbiology, particularly in demonstrating the role of microorganisms in fermentation and disease. Pasteur's experiments led to the development of the germ theory of disease, which established that many diseases are caused by microorganisms. His work included the famous pasteurization process, which involves heating liquids to kill harmful bacteria, further solidifying his contributions to our understanding of micro-organisms and their impact on health and industry.

Koch is also a significant figure in microbiology; however, he is renowned primarily for his role in identifying specific pathogens and developing Koch's postulates, which are used to establish a causal relationship between a microbe and a disease. Watson is famous for co-discovering the structure of DNA, and Huxley is known for his contributions to biology and defense of Darwin's theory of evolution. While all these individuals made immense contributions to science, it was Pasteur who specifically elucidated the role of microorganisms in various biological processes.