Question: ecdysozoa are most closely related to?
Answer: Ecdysozoa. Ecdysozoa (/ˌɛkdɪsoʊˈzoʊə/) is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), Nematoda, and several smaller phyla. ... strongly supported the Ecdysozoa as a clade, that is, a group consisting of a common ancestor and all its descendants.