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![]() edHelper.com Invertebrates |
Worms |
| edHelper's suggested reading level: | grades 6 to 8 | |
| Flesch-Kincaid grade level: | 6.93 |
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Worms
By Cindy Grigg |
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1 All worms have some things in common. All of them are invertebrates. They all have long, narrow bodies without legs. All worms also have tissues, organs, and organ systems. Worms have bilateral symmetry. Unlike sponges or cnidarians, worms have distinct head and tail ends.