seta
I believe it's septa
You can use a program called GParted to add, edit, and delete partitions.
i believe it is called hatchling.
earthworm moves by the hair like projections called setae .
The first segment on an earthworm is called the prostomium. It is a fleshy lobe that covers the mouth and helps the earthworm sense its environment.
earthworm
Earthworm
a earthworm
Earthworm poop is called castings or vermicast. It is a nutrient-rich fertilizer produced by earthworms as they digest organic matter in the soil.
fertilizer (Earthworm) middens
If it is watertight, it is called a bulkhead.
not its head of course... its called the posterior end.