It is called the clitellum. See link for more.
Earthworm
No. Like a flatworm it has no backbone, but it is round and not flat.
you get three piece of hair and wrap it round the middle bit of the hair then you do the same over again
clitellum-a bump that marks that the worm had mate before
Oh found out that the light bits the wet bit and darks dry, atleast for my trampoline.
Your kidding right? its the round thing in the middle. or its a senser and you roll you finger over the middle toward the front. still its silly that you can't figure that out.
"Round Eyes in the Middle Kingdom" is a book written by Robert Elegant and was published in 1978.
earthworm
precisly in the middle, the heart looks like three black sections from the outside. therefore three chambered
Earthworm does not have the back bone. Earthworm is invertebrate animal.
Earthworm does not have the back bone. Earthworm is invertebrate animal.
A earthworm is an arthropod.