"a set of propositions and concepts that provides a reliable, systematic, and rigorous account of an aspect of nature"
Explain the significance of Robert Hooke
He was the first to describe microbes. He saw fungal hyphae and illustrated the fruiting structure of molds.
Explain the significance of Anton van Leevwenhoek
He was the first to describe bacteria and he revived the theory of spontaneous generation.
What is the theory of Spontaneous Generation?
Living organisms arise from non-living matter.
What were Anton van Leevwenhoek's thoughts on spontanous generation?
1) Proposal: If you leave out a piece of meat, it goes bad; things that make meat go bad spontaneously appear. 2) Counter proposal: if you put a piece of paper on the meat, no maggots appear; direct contact with air is required for spontaneous generation.
Explain the significance of Louis Pasteur
He discovered that alcoholic fermentation was biologically mediated, he disproved the theory of spontaneous generation, showed how to keep a liquid sterile, and he developed a vaccine for anthrax, fowl cholera, and rabies.