Biology Junction
Segmented Worms - The Earthworm
In this biology worksheet, students color and label the different parts of an earth worm. They complete 41 short answers and fill in the blank questions about earthworms.
Estrella Mountain Community College
Estrella Mountain Community College: Phylum Annelida
This section (in table of contents as "Phylum Annelida: Segmented Worms") gives a description of how segmented worms developed certain characteristics as well as it explains the differences in the evolution of different classes of...
Regents of the University of Michigan
Animal Diversity Web: Phylum Annelida (Segmented Worms)
Outlines the morphology common to Annelid classes as well as their development.
Yale University
Yale New Haven Teachers Institute: Animal Kingdom
Background information about all of the classes of the animal kingdom, followed by four short lesson plan outlines.