Level: 2
Category: Nature
Year: 2006

Worms Advanced

1. What are the three major classes of platyhelminthes? Describe them.
2. Name an example of a nematoda and describe its lifecycle.
3. What are the three major classes of annelida and how do they move?
4. Answer the following:
   1. Distinguish between the following body structures: coelomates, pseudocoelomates, and acoelomates.
   2. Which body structures are common in the three phyla of worms?
5. Be able to demonstrate three ways to purify water.
6. Complete the following:
   1. From what you have learned about worms, why is the availability of fresh water so important to human health, especially in third world countries?
   2. Organize a fundraiser to support organisation;s that strive to provide freshwater to third world counties.
7. Describe a spiritual lesson about living water from the Bible.