Transcript History of Cells

 A British scientist
 Build a microscope that allowed him to
look at very tiny objects
 Sliced a very thin piece of cork and
looked at it through his microscope
 He saw hundreds of little
boxes or “honeycomb”.
 Named the boxes
“CELLS” or “little rooms”
in Latin.
 A fabric merchant
 Looked at pond scum.
 Discovered unicellular
organisms.
 Named them“animacules”
or “little animals”.
 A German scientist who studied cells.
 Concluded that all plant are made of cells
Drawings of the
first plant and
animal cells
discovered by
Schleiden and
Schwann.
Theodor Schwann 1839
• A German scientist that studied cells.
• Concluded that animals are made of cells
 German doctor
 Discovered that cells could not develop
from anything but other cells.
1. All organisms are composed of one or
more cells.
2. The cell is the basic unit of structure and function in
all living things. Example: skin and nerve cells
3. All cells come from existing cells
 All cells have 2 characteristics
1. they are surrounded by a cell membrane
2. They contain DNA (at some point)