List three adaptations for feeding in annelids.

Evaluate the potential impact the research on C. elegans will have on scientific thought.

Explain the process by which earthworms move.

Describe the path of blood in an open circulatory system.

An earthworm has more light sensitive cells in its anterior and posterior segments than in other parts of its body. Explain how this is advantageous for the worm.

Using clay or salt dough, make models of typical examples from the three classes of annelids. Describe the adaptations that enable each annelid to live in its environment.