Phylum Annelida

Identify the structure that is Blue that you observed during the earthworm dissection lab.  

• Nerve Cord
• Dorsal Blood Vessel
• Intestine
• Septa

What class in the phylum Annelida do earthworms belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

Which of the following phyla was the first to exhibit body metamerization?

• Annelida

• Arthropoda

• Cnidara

• Echindermata

What class in the phylum Annelida do the fireworms belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

What class in the phylum Annelida do leeches belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

Label C points to which structure of the earthworm?

• ovary

• septum

• clitellum

• gizzard

Identify the blue structure that you observed in the earthworm dissection lab.

• Ventral Blood Vessel

• Setae

• Septum

• Aortic Arches/Hearts

What type of circulatory system do most annelids have?

• Open Circulatory System

• Closed Circulatory System

• They don't need a circulatory system

Which structure is NOT associated with food or digestion?

• Gizzard

• pharynx

• nephridia

• crop

Annelids are hermaphrodites. Define this term.

• They have three tissue layers.

• They have a body cavity.

• They produce both egg and sperm.

• They can regenerate lost body parts.