Invisible living creatures were thought to exist and cause disease long before they were ever observed.
Blooms Level: 2.Understand
Section: 01.03

Question

Quizplus · Accepted Answer

This statement is true. Many ancient civilizations believed in the existence of invisible living creatures that could cause disease, such as the ancient Greeks and their concept of miasma. It wasn't until the invention of the microscope in the 17th century that these creatures, such as bacteria and viruses, could be observed and studied.

Invisible Living Creatures Were Thought to Exist and Cause Disease