Tardigrade are not human.
Cyclomorphosis . It occurs in small aquatic invertebrates that reproduce by parthenogenesis and give rise to several generations annually . Ecdysozoa [ ˌɛkdɪsoʊ-ˈzoʊə ] is a group of protostome animals , including Arthropoda ( insects , chelicerata , crustaceans , and myriapods ) , Nematoda , and several smaller phyla . Tardigrade . Tardigrades living in harsh conditions undergo an annual process of cyclomorphosis . About 1,150 species of tardigrades have been described .