1. Cell theory Cell theory states that:
All cells are produced from pre existing cells.
The cell is the basic Unit of Life.
All cells arise from pre-existing cells.

2. Names of Pioneers
Leeuwenhoek: observed wee-beasties under home made lenses.
Robert Hooke: observed cells in cork
Scwhann, Virchow, and Schleiden: stated that animal cells produce animal cells, plants produce plants, and cells come from pre-existing cells

3. What is in a Cell?
List all of the components of a cell that you can come up with and what each ‘part’ does

4. The organization of Life
Things that are alive can…a) reproduce, b) grow,
c) maintain a constant internal environment, d.) need to feed etc.
However, they are also divided into specific levels of organization. The simplest being the cell, which is made up of atoms and molecules.

5. Organism Organ Organ System Cell Population Community Tissue
Instructions: Put these words in the correct order from simplest to most complex.
Organism
Organ
Organ System
Cell
Population
Community
Tissue

6. Very good... Cell Tissue Organ Organ System Organism Population
I know that you all got the following:
Cell
Tissue
Organ
Organ System
Organism
Population
Community
…Right?