1. What makes up living things?
Speaking of which, what defines a living organism?

2. Introduction to Cells Unit 1 - 22/23 August 2012

3. Characteristics
Definition
Organism
Examples
Nonexamples

4. Organism Definition- a living thing Examples- Nonexamples-
Characteristics-
1. Organization
2. Grows, develops, reproduces
3. Made up of one or more cells
4. Needs energy and responds to environment
Definition-
a living thing
Organism
Examples-
you, me, dogs, fungus, plants, bacteria
Nonexamples-
rocks, dirt, water

5. Unicellular vs. Multicellular

6. Where do cells come from?

7. 1660- Robert Hooke
Anton van Leeuwenhoek
1800s - Louis Pasteur, cell theory vs. spontaneous generation

9. Is every cell the same?

10. Cells

11. -mostly multicellular
Cells
Prokaryote
Eukaryote
-no organelles
-mostly unicellular
-organelles
-mostly multicellular
Plant
Animal

12. What is an organelle?

13. Organelle = any part of the cell enclosed in the membrane

15. Homework: Watch Both Video Links on Website (Check Weekly Work)