What condition below would produce the highest tide?

Annelids generally have a two-part head followed by a series of segments and ending in a ___________________________

The coelom of leeches has become filled with connective tissue and muscle fibers, preventing them from having a effective hydrostatic skeleton.

Asexual reproduction is common among all classes of mollusc.

Annelids add on segments from the front to the rear, thus the oldest segments are at the posterior end of the animal.

This tapeworm infects humans who eat undercooked beef. What is its genus and species name?

In molluscs, generally, the dorsal body wall folds to form the ____________________

Which Class of the molluscs has members that have completely lost their shells?  _________________________

All the parasitic flukes belong to the class Trematoda. 

Annelids do not have a rigid internal or external skeleton as seen in chordates and arthropods, respectively.  Yet many are efficient burrowers. Briefly describe how an annelid, such as an earthworm, can move through a tunnel in the soil.