cc licensed flickr photo by Clintus McGintus: http://
cc licensed flickr photo by simplerich: http://flickr.com/photos/simplerich/
Spontaneous generation (abiogenesis):
a theory which explains that living
organisms can be spontaneously
created from non-living matter
Not an unreasonable explanation for
societies which didn’t have the right
technology to look at what living things
are made of.
The right technology
•Invented in Holland in 1590
•First cell seen/drawn by
Robert Hooke in mid 1600s.
Looked at cork bark (made of dead cells).
The small, empty spaces that he saw
reminded him of a small room. He called
The ﬁrst living cells were seen
by Antonie van Leeuwenhoek.
The discovery of cells led to the end of spontaneous
generation as a viable theory.