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They embody a very powerful animal phylum, the Arthropoda, which comprises bugs, spiders, crabs, and their kin. All of these have a physique divided into repeating segments, often with paired appendages. Two smaller phyla, the Onychophora and Tardigrada, are shut Animals family of the arthropods and share these traits. The ecdysozoans moreover embrace the Nematoda or roundworms, possibly the second largest animal phylum.
Canines have been utilized in looking, as have birds of …