Structures of Earthworm

Earthworm have  _______ symmetry. The left and right side look the same and have similar organs and tissues.

• radial
• assymetrical
• bilateral
• prismatic

How do earthworms detect light?

• With their eyes.
• With light sensing organs.
• They cannot.
• They can hear light.

Earthworms breath 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

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 

Why do you see more worms come to the surface when there is a heavy rain?

• they love the rain
• they want to get wet
• they will suffocate if they don't
• they are allergic to water

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

• hermaphrodite
• condaphrodite
• sterile animal