1. How did we grow from a puppy to an adult dog?

2. Boxer Puppy's First Birthday

3. Individual Work

5. Small Group Discussion with

6. Which claim do you agree with?
Claim 1 The organism is made of many cells that grow larger ,but the cells stay the same.
Claim 2 The organism is made up of one really large cell that gets bigger as the organism grows.
Claim 3 The growth of the organism is due to repeated cell growth and cell division.
Claim 4 The growth of the organism has nothing to do with cell division or cell growth.

7. On the top half of a piece of paper draw your idea of how a single cell becomes many cells.

8. Gallery Walk
Walk around and look at your classmates drawings.

9. Clarification
The Cell Cycle
Mitosis

10. Onion and Cheek Cell Lab

11. More Mitosis
Twilight Mitosis
Mitosis Song

12. On the bottom half of your page, make a revised drawing of how a single cell becomes a multicellular organism.

13. Can you think of any other times it would be beneficial for the number of cells to increase?
Small group discussion
Make a list on the board
How can we test this?

14. Comet Pictures
What do you notice or wonder about the pictures?

15. Scars.pptx

16. Planaria Lab Planaria video

17. Exit Ticket
Cell Division and Cancer???