The crossword solution for the term 'Parts of a Kingdom' is PHYLA, which is a five letter word. PHYLA is a taxonomic rank used in biological classification to group organisms into categories based on their shared characteristics. It is typically used to refer to the major groups of animals, plants, fungi, and microorganisms. In a kingdom, PHYLA are the broadest divisions of living things, and they are divided into smaller groups such as classes, orders, families, genera, and species.