What is the difference in size by a worm and planc length? – Secondary 11

Question: What is the difference in size by a worm and planc length?
- Keywords:
  planc,
  worm
Asked by kamilo12 to Faye, Martin, Mus, Pete on 27 Apr 2012.
- Pete Etchells answered on 27 Apr 2012:
  
  Sorry, I don’t really understand the question!
- Faye Didymus answered on 29 Apr 2012:
  
  Hi kamilo12. What do you mean by a planc length?

Question: What is the difference in size by a worm and planc length?