M3E1T1A1Z10O1A1N1S1
20 points
METAZOANS is validvalid
METAZOAN, any of a major division of multicellular animals [n]
METAZOAN, any of a major division of multicellular animals, also METAZOON [n]
METAZOAN, any of a major division of multicellular animals [n]
METAZOAN, any of a major division of multicellular animals, also METAZOON [n]