1. Seventh Grade Introduction to cells Thomas stinson

2. Basic information Cells are the basic unit of life
Most cells are microscopic

3. History of cells
Robert Hooke discovered cells in the mid 1600s while observing cork under a microscope.
He stated that they looked like tiny rows of boxes which he called cells.

4. Important cell scientist
Theodor Schwann & Matthias Schleiden contributed that “ all living things are made of cells”
Rudolf Virchow said that “all cells come from cells”

5. the cell theory All living things are made of cells
Smallest living unit of structure and function of all organisms is the cell
All cells arise from preexisting cells

6. Two types of Cells
Prokaryotic
Eukaryotic

7. Prokaryotic Cells First cell type on earth
Cell type of Bacteria and Archaea
No membrane bound nucleus
Nucleoid = region of DNA concentration
Organelles not bound by membranes

8. Prokaryotic cell

9. Eukaryotic Cells Nucleus bound by membrane
Include fungi, protists, plant, and animal cells
Possess many organelles

10. Eukaryotic cells