1. Cells

2. Section 1
Organization of Life

3. The smallest unit of living matter
Cells
The smallest unit of living matter
All living organisms consist of one or more cells
All cells need to exchange nutrients and waste with their environment

4. Tissue
A group of cells that work together to perform a specific job in the body.

5. F Fat Tissue Muscle Tissue

6. Two or more tissues working together to perform a specific job
Organ
Two or more tissues working together to perform a specific job

9. Organs working together in groups to perform particular jobs
Organ Systems
Organs working together in groups to perform particular jobs

11. Anything that can live on its own. Made of one or more cells.
Organism
Anything that can live on its own. Made of one or more cells.

12. Unicellular Organisms
Single cell living on its own

13. All Cells have the following:
Cell Membrane: Barrier between the inside or the cell and its environment.
Hereditary Material: DNA, material passed on when a new cell forms (not all cells have a nucleus)

14. Cytoplasm: cellular fluid surrounding a cell’s organelles
Organelles: Structures in the cell that allow it to live, grow, and reproduce
Cytoplasm: cellular fluid surrounding a cell’s organelles
*Show bacteria, plant and animal cell overheads or p. 23 and p. 14

15. Multicellular Organisms
An organism with many cells

16. Section 2
The Discovery of Cells

17. The Cell Theory All organisms made of one or more cells
The cell is the basic unit of life in all living things
All cells come from existing cells

18. Small Size
If a cell gets too large it divides
Are elephant cells larger than yours???

19. Multicellular Cells are Specialized to perform a certain job

20. Credits
Pictures: Content: Holt Science & Technology: Cells, Heredity, and Classification Text Book