Worksheets / Science / *Sponges, Segmented Worms, Echinoderms and Mollusks* *Sponges, Segmented Worms, Echinoderms and Mollusks* Worksheet by Rory McTigue Subjects Science Grades Grade 6 Language ENG Assignments 103 classrooms used this worksheet *Sponges, Segmented Worms, Echinoderms and Mollusks* Rams Sponges Segmented worms animal classification invertebrate biology arthropod relatives Make it yours