1. Cell Division Why do we need cell division?
S3 Biology
Cell Division
Why do we need cell division?

2. What are we learning today?
We are learning to:
- explain why cell division is essential for living organisms
- explain what happens when cell division occurs uncontrollably
Success criteria:
- cell division essential for growth
- cell division is essential for repair of damaged tissue e.g. broken bones and cuts
- cancer occurs as a result of uncontrolled cell division

3. What is cell division?
Cell division is when a parent cell divides to produce two identical daughter cells

4. What do we need cell division for?
On your white boards write down as many things as you can think of that would require cell division

5. Cell division is essential for growth
From this oak tree sapling
To this mighty oak tree

7. Cell division – the good
Cell division enables damaged tissues to mend
For example:

8. Cell division - the bad Uncontrolled cell division causes cancer
What Is Cancer? : Twig

9. Your task Choose an aspect of cell division
- regeneration of tissue in Salamander
- regeneration of tissue in starfish
- wound healing
- healing of broken bones
- uncontrollable cell division
Investigate it and create a presentation, poster, information booklet

10. Presentation should include
Title
Introduction – why you chose it and what it is about
Back ground knowledge of what cell division is and how it works
Why cell division necessary
How cell division is important to your chosen aspect