All kinds of worms
Earthworm does not have the back bone. Earthworm is invertebrate animal.
a verbrate is a animal with a a back bone
if it does not have a back bone
An invertibrate.
An Animal with a Backbone is called a vertebrate.
animals with no back bones
a invertebrate is a animal without a back bone
An invertebrate is an animal that does not have a back bone (spine).
its the heel bone at the back of the tarsus
Earthworm does not have the back bone. Earthworm is invertebrate animal.
an invertibret means that the animal has no back bone
Octupus