Question

earthworms are invertebrates how it help them​

Answer 1

Answer:

As invertebrates, they lack a true skeleton, but maintain their structure with fluid-filled coelom chambers that function as a hydrostatic skeleton. "Earthworm" is the common name for the largest members of Oligochaeta (which is a class or subclass depending on the author).

Answer 2

$\huge\purple{{\fbox{\tt{answer}}}}$

As invertebrates, they lack a true skeleton, but maintain their structure with fluid-filled coelom chambers that function as a hydrostatic skeleton. "Earthworm" is the common name for the largest members of Oligochaeta (which is a class or subclass depending on the author).