Abiogenesis Flashcards
What is abiogenesis?
The theory that life can form from non-living material
Who came up with abiogenesis?
Aristotle
What is another name for abiogenesis?
Spontaneous generation
Who conducted experiments to test abiogenesis?
Francesco Redi; meat in open and closed containers
Who performed an experiment to test the active principle of air?
Louis Pasteur
What did Pasteur’s experiment show?
Air contains microorganisms and that heating liquid kills them (swan necked flask)
Who used a microscope (30x) to examine a piece of cork, and was the first person to see cells?
Robert Hooke
What did the cork remind him of?
Rooms in a monastery (cells); term stuck
Who was a Dutch merchant that built microscopes in his spare time?
Antonie Van Leeuwenhoek
What was the magnification ability of Van Leeuwenhoek’s microscope?
500x
What did Van Leeuwenhoek call the specimens he observed?
Animalcules
What is Van Leeuwenhoek now called?
The father of protozoology
Who laid the foundation for modern cell theory?
Schwann and Shleiden
What did Schwann and Schleiden conclude?
All living things are made of cells
Despite their conclusion, what did Schwann and Schleiden still believe in?
Abiogenesis
