1. By Group 6

2. How Do Beetles Work & Fun Facts Aerobic Spiracles Female beetles have two sets of wings Life Span: 1 year Pheromones to communicate Ladybugs, Fireflies, and Lighting bugs are all types of Beetles

4. The Problem Small Insect Large Insect

5. Why were insects larger in Prehistoric Times?

6. Theoretical Maximum Length of a Beetles & Limitations

7. Sources http://thedragonstales.blogspot.com/2008_10_01_archive.html http://www.sciencedaily.com/releases/2007/08/070806112323.htm http://www.public.asu.edu/~icjfh/edu/trachea/TS_Giants3.html http://www.cals.ncsu.edu/course/ent425/tutorial/respire.html http://www.pestworldforkids.org/beetles.html http://en.wikipedia.org/wiki/Beetles