Earthworm Anatomy

Earthworm have _______ symmetry.

• radial

• asymmetrical

• bilateral

Earthworms breathe with their ___.

• lungs

• skin

• gills

The earthworm's body is divided into ___.

• 3 parts
• segments
• circles

Earthworms have setae, which are like bristles that help them ___.

• move
• eat
• reproduce

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 

The swollen part of the worm is called the __________. It signals that the worm is an adult and is able to reproduce.

• gizzard
• crop
• clitellum
• segment

Tags

NGSS.MS-LS1-4

Earthworms have ___ hearts that help pump blood through their body.

• 1

• 3

• 5

• 0

This structure is used for food storage.

• Clitellum

• Crop

• Setae

• Gizzard

Which part is labeled A?

• Mouth

• Anus

• Clitellum

• Setae