external anatomy of:
Questions for your lab notebook
Match the annelid class with the organism or characteristic:
|Lumbricus terrestris||b. Oligochaeta|
marine worms with paired setae
|free-living freshwater or terresterial worms with setae|
|septa between coelomic compartments lost|
|some species are scavengers, some are predators, and some are parasites|
Which group of annelids have parapodia? List the functions of parapodia.
Like many molluscs, annelid development involves a ________ larva stage.
What is the order in which food passes through the following structures in the earthworm: crop, intestine, esophogus, gizzard, anus, pharynx, mouth?
What is the difference between protonephridia and metanephridia? What other phylum have we studied with members that had protonephridia?
Why do terrestrial annelids such as earthworms have to maintain a moist skin surface?
Touch the inside of the beaker of leeches. They will detect the oils on your fingerprint, become agitated, and move toward that spot.