National 4/5 BiologySection 3 Cell Division

Why do we need cell division?

RecapUsing the cards provided sort the stages of cell

division into order with matching statements

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

Cell division is essential for growth

From this oak tree sapling

To this mighty oak tree

Cell division – the goodCell division enables damaged tissues to mendFor example:

Cell division - the badUncontrolled cell division causes cancer

You taskChoose 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

Presentation should includeTitleIntroduction – why you chose it and what it is aboutBack ground knowledge of what cell division is and how it

worksWhy cell division necessaryHow cell division is important to your chosen aspect