Introduction
What do you think of when someone mentions the word worm?
Perhaps the first thing that comes to your mind is the average garden-variety earthworm. After all, a worm is a worm, right?
Actually, there are three different types of worms—flatworms, roundworms, and segmented worms. Each type belongs to a different classification in the animal kingdom. How are each of these worms classified? What are the characteristics of each these invertebrates? How are they like one another?
How are they different from one another? In this WebQuest you will find the answers to these questions by researching the different types of worms.
Task
Your job in this WebQuest is to learn about the different phyla of worms. You'll investigate flatworms, roundworms, and segmented worms, and describe and compare the characteristics of each type of animal. Once you've conducted some research to increase your knowledge of worms, you'll complete the Worm Comparison worksheet to record the similarities and differences among these three types of invertebrates. You'll also find a specific example of each of these three types of invertebrates and describe its characteristics.
Process
irst, read through the following set of questions before you begin your Internet research. As you explore each site, look for answer to the questions.
Questions about Classifying and Comparing Worms
- How are flatworms classified, and what are their characteristics?
- How are roundworms classified, and what are their characteristics?
- How are segmented worms classified, and what are their characteristics?
- In what ways are flatworms, roundworms, and segmented worms alike?
- In what ways are flatworms, roundworms, and segmented worms different?
Evaluation
2 days to answer the set of questions and complete the Worm Comparison worksheet
Conclusion
In the process of completing this WebQuest, you've learned about different types of worms. You have discovered how flatworms, roundworms, and segmented worms are classified. You have investigated the characteristics of each type of worm as well as compared these three invertebrates for similarities and differences. You have completed the Worm Comparison worksheet to relate flatworms, roundworms, and segmented worms. You also described a specific example of each type of worm.
Credits
Thank you all