The Heartworms That Can Accumulate Within the Hearts of Dogs

question 29

Multiple Choice

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?

• A) Platyhelminthes
• B) Arthropoda
• C) Nematoda
• D) Annelida

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