Well a blackworm lives in water and is smaller than the earthworm and its brownish and the earthworm is pink and larger and they live in solid on land and that's it :)
The difference is that Metameres refers to the external segments of an earthworm, while septa refers to the internal parts of an Earthworm.
the answer cannot be told hahaha
Lumbriculus variegatus
California blackworms are known as Lumbriculus Variegatus.
one is alive and one isn't
Snakes have a skeleton - worms don't.
body segmentation
Lumbriculus Variegatus
one is a starfish one is an earthworm boom headshot
Yes, the California blackworm has a heart. It is not as advanced as in many other animals but it does have a functioning heart.
earthworm
That'd be the scientific name for the blood worm or blackworm.