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Jansen invents the microscope
Without the microscope we would never no about or could see cells. -
Leeuwenhoek discovered animalcules "micro organisms" and found bacteria
If Leeuwenhoek didn't discover animalcules we would not know anything about microorginisms or bacteria and people would end up sick and not know why -
Oken came up with new system of animal classification
If that never happened then the new animals discovered would not fit in to any existing classification -
Hooke, observed cork cells and used microscopes
Sketches appeared of micrographia -
Brown first recognized the fundamental diference between gymnosperms and angiosperms
He also did some studies in palynology -
Schleiden part of cell theory
He stated all living things are made of cells -
Schwann says cells are the basic unit of animal structure
With out this they wouldnt have known what the basic unit of plants and animals are made of. -
Roelliker carried out research on the nervous system
Documenting the connection between nerve fibers and cell bodies and they are attached. -
Pasteur discovered two crystals
Mirror images of each other -
Virchow extended work of cell theory
Proposed living cells must rise from pre-existing cells -
Scheme idem Part of cell theory
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Aristotle, desertion of oganisms- aristotllecunsiderea
The investigation of living things expesially animals
