Flatworms Simple Wiggly Tubes

What are the three main phyla of worms mentioned in the text?

What is the significance of the coelom in annelids compared to flatworms?

How do flatworms differ from nematodes and annelids in terms of their body structure?

What adaptations do flatworms have to facilitate gas exchange?

Describe the feeding process of flatworms as explained in the text.

In what ways can flatworms reproduce, and how does this differ from other worms?

How does the text challenge the perception of simplicity in flatworms compared to other organisms?