Annelids

Which of the following is a structure related to excretion in worms?

• Ganglia

• Gizzard

• Nephridia

• Crop

Which of the following is a thickened segment of the earthworm’s body is used in reproduction?

• Septa
• Setae
• Clitellium
• Ganglia

Tags

NGSS.MS-LS1-4

Which of the following is a correct description of a hermaphrodite?

• An organism that has both a mouth and an anus.
• An organism that has a centralized nervous system
• An organism that produces both sperm and eggs
• An organism that has all three germ layers.

 Segmented worms breathe by taking in oxygen from water through their______. (Select all that apply)

• Shells
• Skin
• Gills
• Lungs

Identify the blue structure.

• Segment/metamere

• Setae
• Ganglia
• Gizzard

Identify the structure that is Blue and runs the top of the entire earthworm.  

• Nerve Cord
• Dorsal Blood Vessel
• Intestine
• Septa

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

• Annelida
• Arthropoda
• Cnidara
• Echindermata

Earthworms have ___ sets of muscles that help them move.

• 1
• 2
• 3
• 4

What do earthworms eat?

• grass
• insects
• dirt
• organic matter in the soil

Earthworms don't have teeth to grind their food so they use another organ to do so. It is called a ___.

• crop
• gizzard
• intestine 
• esophagus