Documents THE EARTHWORM. Large, muscular tubes that alternately contract and relax, keeping the blood flowing,...

Slide 1 THE EARTHWORM Slide 2 Large, muscular tubes that alternately contract and relax, keeping the blood flowing, Throat cavity; used by earthworms to suck in soil Tube…

Documents Phylum Annelida

Phylum Annelida Phylum Annelida THE EARTHWORM INTRODUCTION Lumbricus terrestris is the scientific name of the common earthworm. An earthworm does not have a separate head…