The heartworms that can accumulate within the hearts of dogs and other mammals have a pseudocoelom, an alimentary canal, and an outer covering that is occasionally shed. to which phylum does the heartworm belong? the heartworms that can accumulate within the hearts of dogs and other mammals have a pseudocoelom, an alimentary canal, and an outer covering that is occasionally shed. to which phylum does the heartworm belong? nematoda platyhelminthes annelida arthropoda

Answer;

Phylum Nematoda.

The heartworms belongs to the phylum Nematoda.

Explanation;

-Phylum Nematoda are un-segmented organisms with ante­rior lateral chemosensory organs (amphids) and with a persistent blastocoel or pseudocoelom; dorsal and ventral nerve cords in epidermis and excretory system of renette cells or tubules.

-The alimentary canal is provided with distinct mouth and anus (complete digestive tract).

answer: 45

explanationyou have to add as well to be it could be

if you listed your answers right then i believe your answer is b.