1. QOD: What are living things made of?
Biology 12
Nov 22, 2017

2. They are all made up of _____… the _______________of life.
CELL HISTORY:
Robert Hooke (1665)
Viewed slices of __________ under a microscope
Observed “a lot of little boxes”
The boxes reminded him of the small rooms the monks lived in
He called these small boxes of cork “cells”

3. What are cells? ……… are they ______?
Over time (from 1665 – 1855), and with many observations, scientists concluded that:
All ________ are made up of cells. (1838 Matthias Scheiden)
All __________ are made up of cells. (1839 Theodor Schwann)
AND, all cells come from existing cells.
(1855 Rudolph Virchow)

4. The cell theory All ___________ are composed of cells.
From their many observations – the fundamental concept in Biology was developed – THE CELL THEORY:
All ___________ are composed of cells.
Cells are the basic units of ___________ and __________ in living things.
New cells are produced from _________cells.

5. What is NOT a cell?
List your ideas here ….

6. What is a cell?
A cell is the ________ unit that is ______ and can carry on all the __________of life.
(__________ and ______________ are NOT cells.)

7. Relative

8. How are cells classified?
What types of cells are there?
AND
How are cells classified?

9. Types of Cells Eukaryotic Cells ______Cells _______ Cells
(animals, (all types of
Humans) plants)
Prokaryotic Cells
____________

10. Most cells are small and can only be seen with a _____________
Animal cell as seen under an electron microscope

11. Cells make up organisms
An organism = a living thing
A unicellular organism is made up of ______ cell
Example:
The amoeba

12. Cells make up organisms
A multicellular organism is made up of ______ cells
NOTE multicellular organism do not
have larger cells, just more cells
Hydra is a genus of small, simple, fresh-water animals.