1. Students Will:
summarize the contributions scientists have made toward the cell theory
state the cell theory.
Create a time line of the cell theory

2. By. M. Potestades BS Biology
CELL THEORY
By. M. Potestades
BS Biology

3. Some Random Cell Facts
The average human being is composed of around 100 Trillion individual cells!!!
It would take as many as 50 cells to cover the area of a dot on the letter “i”

4. Anton van Leeuwenhoek
First compound light microscope (1590)

5. Robert Hooke
Coined the term “cell”-"a great many boxes” (1665)

6. Matthias Schlieden
Botanist- observed living cells in pond water, which he called "animalcules" (1673)

7. Theodor Schwann
zoologist who observed that the tissues of animals had cells (1839)

8. Rudolf Virchow Cells can only arise from pre-existing cells (1850)
every living thing is made up of vital units, known as cells.

9. Cell Theory Every living organism is made of one or more cells.
The cell is the basic unit of function.
All cells arise from pre-existing cells.
*Why is the Cell Theory called a Theory and not a Fact?

10. Questions… 1.Who used the first microscope?
2. Who said that living cells are called “animalcules”?
3.Who coined the term “cell”?
4.Who said that tissues were made of cells?
5.Who said that cells must come from existing cells?
6. What do you call a person who studies about plants?
7.What do you call the study of animals?
8-10. State the Cell Theory…