Earthworm Dissection

The earthworm's body is divided into ___.

• 3 parts
• segments
• circles

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

• move
• eat
• reproduce

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 

An earthworm has both male and female organs. It is known as a ________.

• hermaphrodite
• condaphrodite
• sterile animal

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

The bottom of the earthworm is called which surfact?

• dorsal

• ventral

• top

• bottom

Why is there a "lip" or piece of skin the covers the earthworm's mouth?

• It helps the worm dig and eat

• It protects the worm from choking on food

• It grindes the food

Tags

NGSS.MS-LS1-7

What do the excretory pores do for the earthworm?

• nothing

• They release mucus to keep the skin moist

• hold eggs

• help the worm walk

What is the function of the crop?

• helps the worm drink water

• grinds food

• stores food

How many aortic arches are there in an earthworm?

• 1

• 3

• 2

• 5