What creatures have special excretory structures.
warm-blooded fur seals phylum Cnidaria phylum arthropoda barnacles Phylum Chordata Phylum Mollusca Most plants
A B C D E F G H
An arthropod is a member of the Phylum Arthropoda.
phylum arthropoda have special excretory structures 
What creatures have special excretory structures. (A) warm-blooded (B) fur seals (C) phylum Cnidaria (D) phylum arthropoda (E) barnacles (F) Phylum Chordata (G) Phylum Mollusca (H) Most plants