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.
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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.
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2 days to answer the set of questions and
complete the Worm Comparison worksheet
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First, 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?
Worm Comparison
worksheet PDF (15K)
(Requires Adobe
Acrobat Reader®)
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Look at the Web sites provided here to find
the information that will help you answer questions
about different types of worms, and to gather
information to use as you complete the Worm
Comparison worksheet.
Next, use the Worm Comparison worksheet
to compare the similarities and differences
among flatworms, roundworms, and segmented
worms. You will use the worksheet to collect
information about the three different phyla
of worms, including descriptions of three species,
one for each of the types of worms you've investigated.
Review the rubric to understand how your worksheet
will be evaluated.
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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.
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