Earthworm does not have the back bone. Earthworm is invertebrate animal.
Earthworm does not have the back bone. Earthworm is invertebrate animal.
An earthworm.
A leech is also an annelidia, such as the earthworm.
An earthworm does not have a liver, it also does not have a gallbladder.
Earthworm.
Earthworm
a. an earthworm
bisexual
Well, an earthworm is one.
subterranean
subterranean