Why are cells small – podcast link and questions

Why Are Cells Small Podcast Questions
https://youtu.be/wuXSEOKNxN8
1. Make a prediction – which cylinder has the greatest volume?
2. What three things could happen?
3. What did happen?
4. What shape maximized the volume?
5. What is Allen’s rule? Why?
6. What are cells small?
7. What has to move in and out?
8. What can’t cells be infinitely small?