Online the importance of microscopes in the study of living organisms
able to discover the existence if microorganisms
study structure of cells
see smaller parts of animals and plants and fungi
suggest why cell theory was not fully developed before the mid 19th century
scientists did not have access to microscopes with high enough magnification to allow them to see individual cells
what does cell theory state
- cells the the basic unit of all life
- cells arise from pre existing cells
- all living organisms are composed of one or more cell
early 1600s
robert hook discovers dead cells using early microscope
late 1600s
anton vo leeuwenhoek deuvels a more powerful microscope that allows him to see living cells like bacteria
easy 1800s
schelidan and schwann conclude that all living organism are made of cells and cells can be produced form other cells
mid 1800s
virchow/remak confirms that all cells must come from pre existing cells
