Earthworm Dissection

 

You will be required to identify the following items on an earthworm for the lab quiz:

      anus

      clitellum

      crop

      gizzard

      intestine

      pharynx

      prostomium

      seminal vesicle

      ventral nerve cord

 

You will be required to know the functions of these earthworm structures for the lab quiz:

      crop

      aortic arches

      clitellum

      gizzard

      intestine

 

Be able to answer these types of questions:

      What is meant by metamerism?

      How are earthworms ecologically important?   (at least two ways)

      Was the earthworm you dissected a male or female?  Be able to defend your answer.

      Know the Phylogeny of the earthworm you dissected in lab.

 

Be able to label a diagram of an earthworm.

 

Kingdom Animalia
Phylum Annelida
Class Oligocheata or Clitellata
Order Megadrilacea
Family Lumbricidae
Genus Lumbricus
Species Lumbricus terrestris