In the 1600s, a Dutch scientist Anton van Leeuwenhoek made his own glass lenses for observing microorganisms. His observations were the first detailed look at the world of tiny living things. His lenses were rather simple devices however, and very different from the microscopes used in science classes today. The illustration below shows one of van Leeuwenhoek's devices.How do you think van Leeuwenhoek's devices were different from modern-day microscopes?
A) They could be used only to observe the details of dead organisms.
B) They did not use any light source in order to see the specimen.
C) They could not be used to study microorganisms.
D) They did not contain more than one lens to magnify an object.
Ans: D) They did not contain more than one lens to magnify an object.
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